Carrion Feeder can't block. Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

Flying Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 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.)

Constellation — Whenever Grim Guardian or another enchantment enters the battlefield under your control, each opponent loses 1 life.

Rally — Whenever Kalastria Healer or another Ally enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

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.

Trample When Phantasmal Dreadmaw becomes the target of a spell or ability, sacrifice it.

{T}: Each player loses 1 life for each Zombie on the battlefield.

Menace Whenever another creature with power 2 or less enters the battlefield under your control, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{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.)

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}.

{T}: Add {C}. {1}, {T}, Sacrifice Esper Panorama: Search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}, Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

({T}: Add {U}.)

{T}: Add {C}. {1}, {T}, Sacrifice Jund Panorama: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.

({T}: Add {B}.)

When Eyeblight Cullers dies, create three 1/1 green Elf Warrior creature tokens, then mill three cards. (Put the top three cards of your library into your graveyard.)

When Fallaji Archaeologist enters the battlefield, mill three cards. You may put a noncreature, nonland card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Fallaji Archaeologist. (To mill a card, put the top card of your library into your graveyard.)

Flying When Gorging Vulture enters the battlefield, mill four cards. You gain 1 life for each creature card milled this way. (To mill a card, put the top card of your library into your graveyard.)

Whenever Halimar Excavator or another Ally enters the battlefield under your control, target player mills X cards, where X is the number of Allies you control.

Whenever another snow permanent enters the battlefield under your control, you may have target player mill two cards.

Lifelink When Koma's Faithful dies, each player mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

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

Deathtouch When Mire Triton enters the battlefield, mill two cards and you gain 2 life.

When Returned Reveler dies, each player mills three cards.

Whenever another blue creature enters the battlefield under your control, target player mills two cards.

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

When Snooping Newsie enters the battlefield, mill two cards. (Put the top two cards of your library into your graveyard.) As long as there are five or more mana values among cards in your graveyard, Snooping Newsie gets +1/+1 and has lifelink.

Constellation — Whenever Thassa's Devourer or another enchantment enters the battlefield under your control, target player mills two cards.

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

Sacrifice Blood Pet: Add {B}.

{B}, {T}, Discard a card: Add {B}{B}{B}.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

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

{1}, {T}: Add {U}{B}.

When Dire Fleet Hoarder dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Defender When Gleaming Barrier dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever Hoard Robber deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever Scaretiller becomes tapped, choose one — • You may put a land card from your hand onto the battlefield tapped. • Return target land card from your graveyard to the battlefield tapped.

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.

{T}: Untap target blue creature. {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only before attackers are declared.

Flash Flying When Pestermite enters the battlefield, you may tap or untap target permanent.

{1}, {T}: You may tap or untap target permanent. Activate only if you control four or more snow permanents.

{1}{U}, {T}: You may tap or untap target creature.

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

{U}, {T}, Discard a card: You may tap or untap target artifact, creature, or land.

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

When Dusk Legion Zealot enters the battlefield, you draw a card and you lose 1 life.

Flying When Faerie Miscreant enters the battlefield, if you control another creature named Faerie Miscreant, draw a card.

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

Sacrifice Hapless Researcher: Draw a card, then discard a card.

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

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.

Commander creatures you own have "The first time you would draw a card each turn, instead look at the top two cards of your library. Put one of them into your graveyard and the other back on top of your library. Then draw a card."

When Aethersnipe enters the battlefield, return target nonland permanent to its owner's hand. Evoke {1}{U}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying When Death's-Head Buzzard dies, all creatures get -1/-1 until end of turn.

When Demon's Disciple enters the battlefield, each player sacrifices a creature or planeswalker.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

{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.

{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.

Flying When Crow of Dark Tidings enters the battlefield or dies, mill two cards. (Put the top two cards of your library into your graveyard.)