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."

Put all creature cards from all graveyards onto the battlefield under your control.

This artifact enters tapped. {T}: Add {B}.

({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a black spell, put a +1/+1 counter on K'rrik.

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

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

Whenever one or more creature cards leave your graveyard, create a 1/1 black Bat creature token with flying.

Binding Contract — If you would draw a card, exile the top card of your library face down instead. {B}{B}{B}: Draw seven cards. {B}: Return all cards exiled with Asmodeus to their owner's hand and you lose that much life.

As long as this creature is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

{3}{B}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield.

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.)

+1: Create a 2/2 black Zombie creature token. Mill two cards. −3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types. −7: Destroy all non-Zombie creatures.

At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

Return target nonlegendary creature card from your graveyard to the battlefield with a -1/-1 counter on it.

When this creature enters, return target creature card from your graveyard to the battlefield. You lose life equal to that card's mana value.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Deathtouch Whenever this creature attacks, you may pay {3}{B}. When you do, return target creature card from your graveyard to the battlefield. It's a Phyrexian in addition to its other types.

{3}{B}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Search your library for a card, put that card into your graveyard, then shuffle.

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

Menace When this creature enters, search your library for a card with mana value less than or equal to your devotion to black, reveal it, put it into your hand, then shuffle. You lose 3 life. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Spree (Choose one or more additional costs.) + {1} — Search your library for a card, put it into your graveyard, then shuffle. + {2} — Return up to two creature cards with total mana value 4 or less from your graveyard to the battlefield.

This land enters tapped. {T}: Add {B}. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {C}{C}.

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

({T}: Add {B}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

When this creature enters, each player sacrifices a nontoken creature of their choice.

Fathomless descent — When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

{X}: This creature deals X damage to each creature and each player. Spend only black mana on X.

When this creature enters, each player sacrifices a creature or planeswalker of their choice.

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

When this creature enters, each player sacrifices a creature of their choice.

Flying When this creature enters, draw a card if a creature died this turn. Otherwise, each player sacrifices a creature of their choice.

At the beginning of your end step, sacrifice each other creature you control. Discard two cards, Sacrifice this creature: Choose target opponent. Return this creature to the battlefield under that player's control at the beginning of their next upkeep.

When this creature enters, each player sacrifices a creature or planeswalker of their choice. Each player who can't discards a card.

When this creature enters, destroy target creature an opponent controls.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent of their choice that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

When this creature dies, you draw X cards and you lose X life, where X is the number of creature cards in target player's graveyard.

When this creature enters, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Whenever a creature deals combat damage to one of your opponents, its controller may pay 1 life. If they do, they draw a card. {4}{B}{B}{B}, Discard X cards: Exile the top X cards of target opponent's library. You may play lands and cast spells from among cards exiled this way without paying their mana costs.

Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill three cards, put the top three cards of your library into your graveyard.)

Flying When this creature enters or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Deathtouch When this creature enters, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

When this creature dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

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

Mill X cards. Target player loses 2 life for each creature card put into your graveyard this way.

Deathtouch When this creature enters, mill two cards and you gain 2 life. (To mill a card, put the top card of your library into your graveyard.)

When this creature enters, mill three cards.

{T}: Mill two cards. {2}, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.

Flying Whenever this creature 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.)

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad deals 1 damage to each opponent. {1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) When this creature dies, you may exile it. When you do, return target creature card from your graveyard to your hand.

When Meathook Massacre II enters, each player sacrifices X creatures of their choice. Whenever a creature you control dies, you may pay 3 life. If you do, return that card under your control with a finality counter on it. Whenever a creature an opponent controls dies, they may pay 3 life. If they don't, return that card under your control with a finality counter on it.