Spells you control can't be countered. At the beginning of your end step, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Tap two untapped artifacts you control: Untap target artifact.

You have no maximum hand size. {T}: Add one mana of any color.

At the beginning of each player's draw step, that player draws two additional cards.

Whenever an opponent discards a card, you may draw a card.

Whenever a player plays a land, that player draws a card.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

{T}: Put a charge counter on Otherworld Atlas. {T}: Each player draws a card for each charge counter on Otherworld Atlas.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Equipped creature gets +2/+2 and has protection from red and from white. Whenever equipped creature deals combat damage to a player, Sword of War and Peace deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand. Equip {2}

{T}: Each player draws a card.

You have no maximum hand size. {T}: Add {C}.

You have no maximum hand size. At the beginning of your upkeep, you gain 1 life for each card in your hand.

If you would create a Clue, Food, or Treasure token, instead create one of each.

As long as it's your turn, each creature assigns combat damage equal to its toughness rather than its power. Whenever Baldin, Century Herdmaster attacks, up to one hundred target creatures each get +0/+X until end of turn, where X is the number of cards in your hand.

Vigilance Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you.

When Champions of Minas Tirith enters the battlefield, you become the monarch. At the beginning of combat on each opponent's turn, if you're the monarch, that opponent may pay {X}, where X is the number of cards in their hand. If they don't, they can't attack you this combat.

Defender, flying Whenever Flumph is dealt damage, you and target opponent each draw a card.

Whenever a player casts a noncreature spell, each of that player's opponents may draw a card.

Whenever Howling Golem attacks or blocks, each player draws a card.

Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.)

Whenever you draw your second card each turn, create a 2/2 green Cat creature token. {4}{G}{G}: Until end of turn, creatures you control have base power and toughness X/X, where X is the number of cards in your hand.

At the beginning of your upkeep, each opponent chooses money, friends, or secrets. For each player who chose money, you and that player each create a Treasure token. For each player who chose friends, you and that player each create a 1/1 green and white Citizen creature token. For each player who chose secrets, you and that player each draw a card.

At the beginning of your end step, for each player, put a +1/+1 counter on up to one target creature that player controls. Each creature with one or more counters on it can't attack you or planeswalkers you control unless its controller pays {X}, where X is the number of counters on that creature.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Trample When Regal Behemoth enters the battlefield, you become the monarch. Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color.

Ward {2} As Roaming Throne enters the battlefield, choose a creature type. Roaming Throne is the chosen type in addition to its other types. If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

Flash When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn. Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.

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.

Trample, haste Share Intelligence — Whenever Sergeant John Benton deals combat damage to a player, you and that player each draw that many cards.

Flying You, planeswalkers you control, and other creatures you control have hexproof. {4}{G}{G}: Put a +1/+1 counter on each creature you control.

Flying Other permanents you control have hexproof. You may look at the top card of your library any time. You may cast Angel spells and Human spells from the top of your library.

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

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.

At the beginning of each end step, draw a card for each opponent who drew two or more cards this turn, then create a Treasure token for each opponent who had two or more lands enter the battlefield under their control this turn.

At the beginning of your upkeep, sacrifice Solitary Confinement unless you discard a card. Skip your draw step. You have shroud. (You can't be the target of spells or abilities.) Prevent all damage that would be dealt to you.

Enchant opponent At the beginning of enchanted opponent's end step, you and that player each draw a card. When you attack enchanted opponent or a planeswalker they control or when they attack you or a planeswalker you control, sacrifice Tenuous Truce.

Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.

Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.

Return to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

Create X 1/1 green Elf Warrior creature tokens, where X is the number of attacking creatures. Prevent all combat damage that would be dealt this turn by non-Elf creatures.

Target creature gets +X/+X until end of turn, where X is the number of cards in your hand.

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way. At the beginning of your next upkeep, pay {1}{W}{W}. If you don't, you lose the game.

Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle. Prevent all combat damage that would be dealt this turn.

The owner of target nonland permanent shuffles it into their library, then draws two cards.

Counter target spell that targets a permanent you control.

Return target spell to its owner's hand. Draw a card.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

Storm Seeker deals damage to target player equal to the number of cards in that player's hand.

Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token.

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Choose one — • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) • Destroy target creature with toughness 4 or greater.

{T}: Add {C}. {T}: Add {G} or {W}. Brushland deals 1 damage to you.

({T}: Add {G} or {W}.) Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

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

({T}: Add {G}.)

As Fortified Village enters the battlefield, you may reveal a Forest or Plains card from your hand. If you don't, Fortified Village enters the battlefield tapped. {T}: Add {G} or {W}.

Graypelt Refuge enters the battlefield tapped. When Graypelt Refuge enters the battlefield, you gain 1 life. {T}: Add {G} or {W}.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

{T}: Add {C}. {2}, {T}: Each player draws a card.

Minas Tirith enters the battlefield tapped unless you control a legendary creature. {T}: Add {W}. {1}{W}, {T}: Draw a card. Activate only if you attacked with two or more creatures this turn.

({T}: Add {W}.)

You have no maximum hand size. {T}: Add {C}.

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}.

{1}, {T}: Add {G}{W}.

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

When The Grey Havens enters the battlefield, scry 1. {T}: Add {C}. {T}: Add one mana of any color among legendary creature cards in your graveyard.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {X}, {T}: The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X.

Each opponent draws a card, then you draw a card for each opponent who drew a card this way.

Destroy all creatures with power greater than target creature's power.

You and target opponent each draw three cards.

Each player chooses any number of creatures they control with total power 4 or less, then sacrifices all other creatures they control.

If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Prevent all combat damage that would be dealt this turn.

Untap Endbringer during each other player's untap step. {T}: Endbringer deals 1 damage to any target. {C}, {T}: Target creature can't attack or block this turn. {C}{C}, {T}: Draw a card.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

Whenever a player casts a spell, they may pay {1}. If the player does, they draw a card at the beginning of the next end step.

Sacrifice an artifact: Add {C}{C}.

{4}, {T}: Put a charge counter on Magistrate's Scepter. {T}, Remove three charge counters from Magistrate's Scepter: Take an extra turn after this one.

Whenever you draw your second card each turn, you may put a land card from your hand onto the battlefield tapped.

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

Deathtouch When Skullwinder enters the battlefield, return target card from your graveyard to your hand, then choose an opponent. That player returns a card from their graveyard to their hand.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

At the beginning of your upkeep, each opponent may create a Treasure token. For each opponent who does, you create a Treasure token.

If an opponent would begin an extra turn, that player skips that turn instead. Whenever an opponent attacks you with two or more creatures, draws their second card each turn, or casts their second spell each turn, you draw a card.