When Cenote Scout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

{1}{B}, {T}: Exile two target cards from an opponent's graveyard. Deadeye Tracker explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Whenever Emperor's Vanguard deals combat damage to a player, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Target creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.) You may play an additional land this turn.

Equipped creature has "You may look at the top card of your library any time" and "Whenever this creature attacks, it explores." (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.) Equip {2}

When Jadelight Ranger enters the battlefield, it explores, then it explores again. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard. Then repeat this process.)

When Jadelight Spelunker enters the battlefield, it explores X times. (To have it explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)

Double strike When Kinjalli's Dawnrunner enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

{1}, Sacrifice another creature: Legion Vanguard explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

When Merfolk Branchwalker enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Whenever a creature enters the battlefield under your control, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

{2}{G}: Seeker of Sunlight explores. Activate only as a sorcery. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

When Seekers' Squire enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Vigilance Whenever Sentinel of the Nameless City enters the battlefield or attacks, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

Menace {1}, Discard a card: Tomb Robber explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {C}. {2}, {T}, Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

Field of the Dead enters the battlefield tapped. {T}: Add {C}. Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

({T}: Add {G}.)

Golgari Rot Farm enters the battlefield tapped. When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{G}.

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Orzhov Basilica enters the battlefield tapped. When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand. {T}: Add {W}{B}.

({T}: Add {W}.)

{T}: Add {C}. As long as Riftstone Portal is in your graveyard, lands you control have "{T}: Add {G} or {W}."

Selesnya Sanctuary enters the battlefield tapped. When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand. {T}: Add {G}{W}.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {W} or {B}. Activate only if you control a Swamp.

{T}: Add {C}. {T}: Add {B} or {G}. Activate only if you control a Swamp.

Temple of Malady enters the battlefield tapped. When Temple of Malady enters the battlefield, scry 1. {T}: Add {B} or {G}.

Temple of Silence enters the battlefield tapped. When Temple of Silence enters the battlefield, scry 1. {T}: Add {W} or {B}.

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

You may play an additional land on each of your turns.

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Landfall — Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition. Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: You may put a land card from your hand onto the battlefield.

{T}: You may put a land card from your hand onto the battlefield.

Parley — {T}: Each player reveals the top card of their library. For each nonland card revealed this way, add {G} and you gain 1 life. Then each player draws a card.

{T}: Add {C}{C}.

{T}: You may put a land card from your hand onto the battlefield.

You may play lands from your graveyard. {T}: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Landfall — Whenever a land enters the battlefield under your control, put a loyalty counter on Nissa of Shadowed Boughs. +1: Untap target land you control. You may have it become a 3/3 Elemental creature with haste and menace until end of turn. It's still a land. −5: You may put a creature card with mana value less than or equal to the number of lands you control onto the battlefield from your hand or graveyard with two +1/+1 counters on it.

At the beginning of your upkeep, return target land card from your graveyard to the battlefield tapped.

Destroy target artifact or enchantment. You may put a land card from your hand onto the battlefield.

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When Knight of Autumn enters the battlefield, choose one — • Put two +1/+1 counters on Knight of Autumn. • Destroy target artifact or enchantment. • You gain 4 life.

Choose one — • Destroy target artifact or enchantment. • Target creature you control explores, then it explores again. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard. Then repeat this process.)

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

Flying Whenever a player attacks one of your opponents, if that opponent has more life than another of your opponents, that attacking player draws a card and you put two +1/+1 counters on a creature you control.

Play with the top card of your library revealed. You may play lands from the top of your library. Landfall — Whenever a land enters the battlefield under your control, you gain 1 life.

Elvish Reclaimer gets +2/+2 as long as there are three or more land cards in your graveyard. {2}, {T}, Sacrifice a land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

You may play an additional land this turn. Draw a card.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

When Seasoned Dungeoneer enters the battlefield, you take the initiative. Whenever you attack, target attacking Cleric, Rogue, Warrior, or Wizard gains protection from creatures until end of turn. It explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

Whenever a creature enters the battlefield under your control, draw a card if its power is 3 or greater. Otherwise, put two +1/+1 counters on it.

+1: Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard. 0: Put any number of land cards from your hand onto the battlefield tapped. −3: Create a green Treefolk creature token with reach and "This creature's power and toughness are each equal to the number of lands you control." −8: Return all permanent cards from your graveyard to your hand. You get an emblem with "You have no maximum hand size."

When Yavimaya Elder dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle. {2}, Sacrifice Yavimaya Elder: Draw a card.

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control. Landfall — Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

Vigilance If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger.

Landfall — Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Explorer's Cache enters the battlefield with two +1/+1 counters on it. Whenever a creature you control with a +1/+1 counter on it dies, put a +1/+1 counter on Explorer's Cache. {T}: Move a +1/+1 counter from Explorer's Cache onto target creature. Activate only as a sorcery.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

If you would put one or more counters on a creature or planeswalker you control or on yourself, put that many plus one of each of those kinds of counters on that permanent or player instead. Choose a Background (You can have a Background as a second commander.)

Trample Whenever a player casts a spell, put a +1/+1 counter on Managorger Hydra.

Commander creatures you own have "This creature enters the battlefield with an additional +1/+1 counter on it" and "Other creatures you control enter the battlefield with an additional +1/+1 counter on them."

Landfall — Whenever a land enters the battlefield under your control, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.

Trample Landfall — Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on target creature or Vehicle you control. Channel — {X}{G}{G}, Discard Roaring Earth: Put X +1/+1 counters on target land you control. It becomes a 0/0 green Spirit creature with haste. It's still a land.

Landfall — Whenever a land enters the battlefield under your control, equipped creature gets +2/+2 until end of turn. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

When Bane of Progress enters the battlefield, destroy all artifacts and enchantments. Put a +1/+1 counter on Bane of Progress for each permanent destroyed this way.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. It gains "If this creature would die, exile it instead." Flashback {3}{W}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reach When Cavalier of Thorns enters the battlefield, reveal the top five cards of your library. Put a land card from among them onto the battlefield and the rest into your graveyard. When Cavalier of Thorns dies, you may exile it. If you do, put another target card from your graveyard on top of your library.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards.

Trample Crash of Rhino Beetles gets +10/+10 as long as you control ten or more lands.

Menace When Dire Fleet Interloper enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

First strike When Emissary of Sunrise enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Hagra Constrictor enters the battlefield with two +1/+1 counters on it. Each creature you control with a +1/+1 counter on it has menace. (A creature with menace can't be blocked except by two or more creatures.)

When Ixalli's Diviner enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

When Khalni Gem enters the battlefield, return two lands you control to their owner's hand. {T}: Add two mana of any one color.

Whenever a creature you control explores, target creature an opponent controls gets -2/-2 until end of turn.

Vigilance {T}: You may put a basic land card from your hand onto the battlefield. {T}: Return target basic land you control to its owner's hand.

Partner with Yannik, Scavenging Sentinel (When this creature enters the battlefield, target player may put Yannik into their hand from their library, then shuffle.) Menace Whenever another creature you control leaves the battlefield, if it had one or more counters on it, you draw a card and you lose 1 life.

Flying When Pilgrim's Eye enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

Landfall — Whenever a land enters the battlefield under your control, choose one — • Put a +1/+1 counter on target creature. • You gain 2 life.

Vigilance When River Herald Guide enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Put a +1/+1 counter on up to one target creature. You gain 2 life. You may play an additional land this turn. Draw a card.

Landfall — Whenever a land enters the battlefield under your control, you may pay {2}. If you do, draw a card.

Whenever a creature you control explores, put a +1/+1 counter on Shadowed Caravel. Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

{T}: You may put a land card from your hand onto the battlefield. Activate only as a sorcery.

When Tishana's Wayfinder enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Vigilance Landfall — Whenever a land enters the battlefield under your control, exile target permanent card with mana value 3 or less from your graveyard. When Trove Warden dies, put each permanent card exiled with it onto the battlefield under the control of that card's owner.

+2: Create a 2/2 black Pirate creature token with menace. −3: Destroy target artifact, creature, or enchantment. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") −10: Target player's life total becomes 1.

Whenever a creature you control explores, put a +1/+1 counter on Wildgrowth Walker and you gain 3 life.

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead. If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.