If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

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

{T}: Add {C}. {T}: Add {G} or {U}. Talisman of Curiosity deals 1 damage to you.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

When Agent of Treachery enters the battlefield, gain control of target permanent. At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

You may play two additional lands on each of your turns.

Flying, deathtouch When Baleful Strix enters the battlefield, draw a card.

Flying Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

Flying When Cloudblazer enters the battlefield, you gain 2 life and draw two cards.

When Coiling Oracle enters the battlefield, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.) As long as Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."

When District Guide enters the battlefield, you may search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.

Devoid (This card has no color.) {2}{C}: Exile another target creature, then return it to the battlefield tapped under its owner's control. ({C} represents colorless mana.)

When Elvish Rejuvenator enters the battlefield, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

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

When Kardur, Doomscourge enters the battlefield, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able. Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

At the beginning of your end step, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

Flying When Mulldrifter enters the battlefield, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Whenever an opponent casts a spell, you may exchange control of Perplexing Chimera and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.)

You may play lands from your graveyard.

When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.

Flash Flying When Restoration Angel enters the battlefield, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

Vigilance, trample {2}, {T}: Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder. At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Landfall — Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control. {3}{U}: Tap another target creature.

When Thragtusk enters the battlefield, you gain 5 life. When Thragtusk leaves the battlefield, create a 3/3 green Beast creature token.

{T}: Add {C}. {2}, {T}: Exile target creature you control. {4}, {T}, Sacrifice Endless Sands: Return each creature card exiled with Endless Sands to the battlefield under its owner's control.

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.

{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}.

When Guild Summit enters the battlefield, you may tap any number of untapped Gates you control. Draw a card for each Gate tapped this way. Whenever a Gate enters the battlefield under your control, draw a card.

At the beginning of each player's draw step, that player draws an additional card. Each player may play an additional land on each of their turns.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Return target permanent to its owner's hand.

Exile target creature you control, then return that card to the battlefield under your control.

Counter target spell.

As an additional cost to cast this spell, sacrifice a land. Search your library for a land card, put that card onto the battlefield, then shuffle.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may shuffle up to four target cards from your graveyard into your library.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Permanents you control gain hexproof and indestructible until end of turn.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Counter target spell. Its controller can't cast spells this turn.

Exile target creature. Its controller gains life equal to its power.

Azorius Guildgate enters the battlefield tapped. {T}: Add {W} or {U}.

Boros Guildgate enters the battlefield tapped. {T}: Add {R} or {W}.

Dimir Guildgate enters the battlefield tapped. {T}: Add {U} or {B}.

({T}: Add {G}.)

Gateway Plaza enters the battlefield tapped. When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any color.

{T}: Add {C}. {T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Cumulative upkeep—Pay 2 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Glacial Chasm enters the battlefield, sacrifice a land. Creatures you control can't attack. Prevent all damage that would be dealt to you.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

Golgari Guildgate enters the battlefield tapped. {T}: Add {B} or {G}.

Gruul Guildgate enters the battlefield tapped. {T}: Add {R} or {G}.

{T}: Add {C}. {3}, {T}, Sacrifice Haunted Fengraf: Return a creature card at random from your graveyard to your hand.

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

({T}: Add {U}.)

Izzet Guildgate enters the battlefield tapped. {T}: Add {U} or {R}.

Maze's End enters the battlefield tapped. {T}: Add {C}. {3}, {T}, Return Maze's End to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game.

({T}: Add {W}.) Mistveil Plains enters the battlefield tapped. {W}, {T}: Put target card from your graveyard on the bottom of your library. Activate only if you control two or more white permanents.

({T}: Add {R}.)

Orzhov Guildgate enters the battlefield tapped. {T}: Add {W} or {B}.

({T}: Add {W}.)

Rakdos Guildgate enters the battlefield tapped. {T}: Add {B} or {R}.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

Selesnya Guildgate enters the battlefield tapped. {T}: Add {G} or {W}.

Simic Guildgate enters the battlefield tapped. {T}: Add {G} or {U}.

Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents. +1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard. −3: Return target card from your graveyard to your hand.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.

For each player, choose friend or foe. Each friend searches their library for a land card, puts it onto the battlefield tapped, then shuffles. Each foe sacrifices an artifact or enchantment they control.

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

Return a creature you control to its owner's hand, then destroy all creatures.

For each player, you choose from among the permanents that player controls an artifact, a creature, an enchantment, and a planeswalker. Then each player sacrifices all other nonland permanents they control.

{T}: Add {C}. {2}, {T}: Add X mana of any one color, where X is the number of other Gates you control.

{T}: Add {C}. {2}, {T}: Target creature gets +X/+X until end of turn, where X is the number of Gates you control. Activate only as a sorcery.

Black Dragon Gate enters the battlefield tapped. As Black Dragon Gate enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Citadel Gate enters the battlefield tapped. As Citadel Gate enters the battlefield, choose a color other than white. {T}: Add {W} or one mana of the chosen color.

Cliffgate enters the battlefield tapped. As Cliffgate enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

Tap an untapped Gate you control: Crackling Perimeter deals 1 damage to each opponent.

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle. You take the initiative.

Gates Ablaze deals X damage to each creature, where X is the number of Gates you control.

Gates you control enter the battlefield untapped. {T}: Add {C}. {T}: Add one mana of any color that a Gate you control could produce.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {1}, {T}, Tap an untapped Gate you control: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Creatures you control get +0/+1 for each Gate you control and have vigilance.

Manor Gate enters the battlefield tapped. As Manor Gate enters the battlefield, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

{2}, {T}, Sacrifice Navigation Orb: Search your library for up to two basic land cards and/or Gate cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Menace Ward—Pay 9 life. Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

When Plaza of Harmony enters the battlefield, if you control two or more Gates, you gain 3 life. {T}: Add {C}. {T}: Add one mana of any type that a Gate you control could produce.