Whenever you put one or more counters on a permanent or player, All Will Be One deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

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

({T}: Add {B} or {R}.)

When Banewhip Punisher enters the battlefield, you may put a -1/-1 counter on target creature.

{B}, Sacrifice Banewhip Punisher: Destroy target creature that has a -1/-1 counter on it.

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

{T}: Add {B}.

{T}: Add {R}.

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

({T}: Add {B} or {R}.)

As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Flying

Carnifex Demon enters the battlefield with two -1/-1 counters on it.

{B}, Remove a -1/-1 counter from Carnifex Demon: Put a -1/-1 counter on each other creature.

Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn.

Whenever a nontoken creature enters the battlefield under your control, if you didn't cast it from your hand, it gains haste until your next turn.

Target creature you control deals damage equal to its power to each other creature and each opponent.

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

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

If you control a commander, you may cast this spell without paying its mana cost.

You may choose new targets for target spell or ability.

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

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

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

{T}: Add {B} or {R}.

If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

{B/P}{B/P}, Exile three creature cards from your graveyard: Put an indestructible counter on Drivnod, Carnage Dominus. ({B/P} can be paid with either {B} or 2 life.)

Whenever Dusk Urchins attacks or blocks, put a -1/-1 counter on it.

When Dusk Urchins dies, draw a card for each -1/-1 counter on it.

Players can't gain life.

Damage can't be prevented.

All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)

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

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{1}{R}, {T}: Fallen Ferromancer deals 1 damage to any target.

When Festering Mummy dies, you may put a -1/-1 counter on target creature.

Enchant creature

As long as enchanted creature is black, it gets +1/+1 and has wither. (It deals damage to creatures in the form of -1/-1 counters.)

As long as enchanted creature is red, it gets +1/+1 and has first strike.

Sacrifice Fume Spitter: Put a -1/-1 counter on target creature.

Enchant creature

Enchanted creature has infect.

At the beginning of your upkeep, put a -1/-1 counter on enchanted creature.

When Glistening Oil is put into a graveyard from the battlefield, return Glistening Oil to its owner's hand.

{T}: Add {C}.

{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Gulping Scraptrap enters the battlefield or dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

At the beginning of your upkeep, put a -1/-1 counter on each creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

{2}{R}, {Q}: Hateflayer deals damage equal to its power to any target. ({Q} is the untap symbol.)

Haunted Ridge enters the battlefield tapped unless you control two or more other lands.

{T}: Add {B} or {R}.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Ichor Rats enters the battlefield, each player gets a poison counter.

Flying

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Creatures your opponents control with counters on them can't attack or block.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

When Lockjaw Snapper dies, put a -1/-1 counter on each creature with a -1/-1 counter on it.

Luxury Suite enters the battlefield tapped unless you have two or more opponents.

{T}: Add {B} or {R}.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Menace

Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

{2}, Discard a card: Put a -1/-1 counter on target creature. That creature can't block this turn.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Necropede dies, you may put a -1/-1 counter on target creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens.

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

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Puncture Blast deals 3 damage to any target.

First strike

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

You have no maximum hand size.

{T}: Add {C}.

Creatures you control have haste.

Legendary creatures you control get +1/+0.

Put a -1/-1 counter on target creature.

When Skinrender enters the battlefield, put three -1/-1 counters on target creature.

({T}: Add {B} or {R}.)

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

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

When Soul Snuffers enters the battlefield, put a -1/-1 counter on each creature.

When Soulstinger enters the battlefield, put two -1/-1 counters on target creature you control.

When Soulstinger dies, you may put a -1/-1 counter on target creature for each -1/-1 counter on Soulstinger.

Whenever Spitting Dilophosaurus enters the battlefield or attacks, put a -1/-1 counter on up to one target creature.

Creatures your opponents control with -1/-1 counters on them can't block.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever Stigma Lasher deals damage to a player, that player can't gain life for the rest of the game.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

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

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Destroy target creature. It can't be regenerated.

When The Meathook Massacre enters the battlefield, 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.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.

At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Whenever a creature with a -1/-1 counter on it dies, draw a card.

{1}{B}{R}: Put a -1/-1 counter on another target creature.

When The Scorpion God dies, return it to its owner's hand at the beginning of the next end step.

You have no maximum hand size.

{T}: Add {C}.

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

Volt Charge deals 3 damage to any target. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Compleated ({B/P} can be paid with {B} or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)

0: You draw a card and you lose 1 life. Proliferate.

-2: Target creature becomes a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color" and loses all other card types and abilities.

-9: If target player has fewer than nine poison counters, they get a number of poison counters equal to the difference.

Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.

Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

{B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.