For each creature, its controller sacrifices a permanent unless they pay {1}.

{T}, Sacrifice Gangrenous Zombies: Gangrenous Zombies deals 1 damage to each creature and each player. If you control a snow Swamp, Gangrenous Zombies deals 2 damage to each creature and each player instead.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Battered Golem doesn't untap during your untap step. Whenever an artifact enters the battlefield, you may untap Battered Golem.

Whenever you cast a historic spell, Cabal Paladin deals 2 damage to each opponent. (Artifacts, legendaries, and Sagas are historic.)

Whenever you cast an artifact spell, you may put a charge counter on Golem Foundry. Remove three charge counters from Golem Foundry: Create a 3/3 colorless Golem artifact creature token.

Flying

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Sacrifice Alchemist's Apprentice: Draw a card.

Flying When Cloudkin Seer enters the battlefield, draw a card.

When Floating-Dream Zubera dies, draw a card for each Zubera that died this turn.

Flying Whenever Impaler Shrike deals combat damage to a player, you may sacrifice it. If you do, draw three cards.

When Merchant of Secrets enters the battlefield, draw a card.

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.)

Flying When Skyscanner enters the battlefield, draw a card.

When Caustic Hound dies, each player loses 4 life.

When Etched Familiar dies, each opponent loses 2 life and you gain 2 life.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

When Malakir Blood-Priest enters the battlefield, each opponent loses X life and you gain X life, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.

Flying When Nocturnal Feeder dies, each opponent loses 2 life and you gain 2 life.

When Serrated Scorpion dies, it deals 2 damage to each opponent and you gain 2 life.

{T}: Target player draws a card, then discards a card.

Enchant land Whenever enchanted land becomes tapped, its controller mills three cards.

Whenever you draw a card, you may have target player mill a card.

{T}, Discard a nonblack card: Draw a card. {T}, Discard a black card: Draw two cards, then discard one of them.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever Looter il-Kor deals damage to an opponent, draw a card, then discard a card.

{T}: Draw a card, then discard a card.

Flying At the beginning of combat on your turn, each player mills three cards.

{T}: Target player draws a card, then discards a card.

Whenever Selhoff Occultist or another creature dies, target player mills a card.

Flying Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature. Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Barren Moor enters the battlefield tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

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.

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

Dismal Backwater enters the battlefield tapped. When Dismal Backwater enters the battlefield, you gain 1 life. {T}: Add {U} or {B}.

Hidden Cataract enters the battlefield tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice Hidden Cataract: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 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.)

Hidden Necropolis enters the battlefield tapped. {T}: Add {B}. {4}{B}, {T}, Sacrifice Hidden Necropolis: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 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.)

({T}: Add {U} or {B}.) Ice Tunnel enters the battlefield tapped.

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

Mistvault Bridge enters the battlefield tapped. Indestructible {T}: Add {U} or {B}.

Mortuary Mire enters the battlefield tapped. When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Polluted Mire enters the battlefield tapped. {T}: Add {B}. Cycling {2} ({2}, Discard this card: Draw a card.)

Remote Isle enters the battlefield tapped. {T}: Add {U}. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {U}.

Shimmerdrift Vale enters the battlefield tapped. As Shimmerdrift Vale enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

({T}: Add {U}.)

({T}: Add {B}.)

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

Sacrifice a creature: Add {C}{C}.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on Everflowing Chalice.

{T}: Add {B}.

Flying {T}: Add one mana of any color.

{T}: Add {U}.

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

When Archaeomender enters the battlefield, return target artifact card from your graveyard to your hand.

Flying When Cadaver Imp enters the battlefield, you may return target creature card from your graveyard to your hand.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Dutiful Attendant dies, return another target creature card from your graveyard to your hand.

Counter target spell.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Counter target spell unless its controller discards their hand. Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

{T}, Sacrifice Priest of the Haunted Edge: Target creature gets -X/-X until end of turn, where X is the number of snow lands you control. Activate only as a sorcery.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Mage Hand — {T}: Untap target permanent not named Clever Conjurer. Activate only as a sorcery.

Bigby's Hand — {T}: Untap two other target permanents. Activate only as a sorcery and only once each turn.

Sacrifice Teardrop Kami: You may tap or untap target creature.