Commander creatures you own have "This creature enters with an additional +1/+1 counter on it" and "Other creatures you control enter with an additional +1/+1 counter on them."

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

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

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.

Whenever this creature attacks or blocks, sacrifice a creature.

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.)

This spell costs {1} less to cast for each creature card you own in exile and in your graveyard. Menace, deathtouch

At the beginning of your upkeep, sacrifice a creature. When you sacrifice this creature, each opponent discards a card, you draw a card, and you gain 2 life.

This spell costs {1} less to cast for each creature card in your graveyard.

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

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

As an additional cost to cast this spell, sacrifice a creature. You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

Add {B} for each creature card in your graveyard.

This land enters tapped unless you control two or fewer other lands. {T}: Add {B} or {G}.

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.)

You may have this land enter tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types. {T}: Add {C}.

({T}: Add {G}.)

{T}: Add {C}. {2}{B}{G}, {T}, Sacrifice a creature: Draw a card.

({T}: Add {B} or {G}.) This land enters tapped.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {G}. {3}{G}, {T}: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

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}.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

As this land enters, you may reveal a Swamp or Forest card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {G}.

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

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

This land enters tapped unless you control a Swamp. {T}: Add {B}. {B}, {T}: Target creature you control connives X, where X is the number of creatures that died this turn. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)

({T}: Add {B}.)

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {G}.

Each land is a Swamp in addition to its other land types.

You may have this land enter tapped as a copy of any land on the battlefield.

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

{T}: Add {G}. {T}: Add {B}. Activate only if you control a Swamp or a Forest.

({T}: Add {B}.) This land enters tapped unless you control three or more other Swamps. When this land enters untapped, you may put target creature card from your graveyard on top of your library.

Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.

This creature enters with a +1/+1 counter on it for each creature card in your graveyard. {1}, Remove a +1/+1 counter from this creature: Regenerate this creature. Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

Trample As long as this card is in your graveyard and you control a Forest, creatures you control have trample.

{T}: Add X mana of any one color, where X is the number of creature cards in your graveyard.

Deathtouch, lifelink {T}: Add one mana of any color.

Undergrowth — This spell costs {1} less to cast for each creature card in your graveyard. When this creature enters, return target land card from your graveyard to the battlefield.

At the beginning of your end step, if a creature died under your control this turn, the Ring tempts you. Whenever the Ring tempts you, target opponent reveals cards from the top of their library until they reveal a land card. Put that card onto the battlefield tapped under your control and the rest into their graveyard.

{T}: Add {C}. {T}: Add {B} or {G}. This artifact deals 1 damage to you.

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

When Honest Rutstein enters, return target creature card from your graveyard to your hand. Creature spells you cast cost {1} less to cast.

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.)

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Kicker {G} (You may pay an additional {G} as you cast this spell.) If this spell was kicked, put a +1/+1 counter on a creature you control. All creatures get -2/-2 until end of turn.

Consuming Corruption deals X damage to target creature or planeswalker and you gain X life, where X is the number of Swamps you control.

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

Enchant player Creatures enchanted player controls get -1/-1.

Target creature gets -1/-1 until end of turn for each Swamp you control.

Destroy target creature.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Other creatures get -1/-1.

Destroy target nonland permanent and all other permanents with the same name as that permanent.

Flying, trample Ward—Discard a card. Creatures your opponents control have base toughness 1.

Morbid — When you cast this spell, if a creature died this turn, you may copy Malicious Affliction and may choose a new target for the copy. Destroy target nonblack creature.

When this creature enters, creatures your opponents control get -1/-1 until end of turn. Blitz {2}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

This creature can't be blocked by white creatures. When this creature enters, creatures your opponents control get -1/-1 until end of turn.

Destroy target artifact or creature. It can't be regenerated.

Each player sacrifices a creature of their choice. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

Spree (Choose one or more additional costs.) + {1} — Target opponent sacrifices half the creatures they control of their choice, rounded up. + {2} — Target opponent discards half the cards in their hand, rounded up. + {2} — Target opponent loses half their life, rounded up.

When The Meathook Massacre enters, each creature gets -X/-X until end of turn. Whenever a creature you control dies, each opponent loses 1 life. Whenever a creature an opponent controls dies, you gain 1 life.

As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.