Flying

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

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

Enchanted creature has ", Put a -1/-1 counter on this creature: Untap this creature."

When you control no Islands, sacrifice Skeleton Ship.

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

Flying

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

: Skithiryx, the Blight Dragon gains haste until end of turn.

: Regenerate Skithiryx.

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

Prowess

If a source you control would deal noncombat damage to a creature an opponent controls, put that many -1/-1 counters on that creature instead.

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

You may have Spinebiter assign its combat damage as though it weren't blocked.

Distribute two -1/-1 counters among one or two target creatures.

Put three -1/-1 counters on target creature with flying.

Cycling (, Discard this card: Draw a card.)

Choose one or both —

• Target creature gets -1/-1 until end of turn.

• Put a +1/+1 counter on target creature.

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

: Target creature blocks Tangle Angler this turn if able.

Protection from artifacts

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

When The Flesh Is Weak enters, put a +1/+1 counter on each creature you control.

Creatures you control with +1/+1 counters on them are artifacts in addition to their other types.

Nonartifact creatures get -1/-1.

At the beginning of your upkeep, sacrifice Thelon's Chant unless you pay .

Whenever a player puts a Swamp onto the battlefield, Thelon's Chant deals 3 damage to that player unless the player puts a -1/-1 counter on a creature they control.

Haste

Thunderblust has trample as long as it has a -1/-1 counter on it.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Put three -1/-1 counters on target creature. Its controller loses 3 life unless they sacrifice another nonland permanent of their choice or discard a card.

At the beginning of your upkeep, sacrifice Tourach's Chant unless you pay .

Whenever a player puts a Forest onto the battlefield, Tourach's Chant deals 3 damage to that player unless they put a -1/-1 counter on a creature they control.

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

: Regenerate Toxic Nim.

Flash

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Trigon of Corruption enters with three charge counters on it.

, : Put a charge counter on Trigon of Corruption.

, , Remove a charge counter from Trigon of Corruption: Put a -1/-1 counter on target creature.

Flying, vigilance

When Twilight Shepherd enters, return to your hand all cards in your graveyard that were put there from the battlefield this turn.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.

Remove a charge counter from Umezawa's Jitte: Choose one —

• Equipped creature gets +2/+2 until end of turn.

• Target creature gets -1/-1 until end of turn.

• You gain 2 life.

Equip

: Vector Asp 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.)

Flying

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

: 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 Viridian Corrupter enters, destroy target artifact.

Flying, lifelink

Sacrifice a creature: Put X +1/+1 counters on Vish Kal, Blood Arbiter, where X is the sacrificed creature's power.

Remove all +1/+1 counters from Vish Kal: Target creature gets -1/-1 until end of turn for each +1/+1 counter removed this way.

At the beginning of combat on your turn, put a -1/-1 counter on up to one target creature.

: Until your next turn, Volrath, the Shapestealer becomes a copy of target creature with a counter on it, except it's 7/5 and it has this ability.

, Pay 1 life: Prevent the next 2 damage that would be dealt to target creature this turn.

: Prevent the next 1 damage that would be dealt to target Cleric or Wizard creature this turn.

, Put a -1/-1 counter on a creature you control: Prevent the next 2 damage that would be dealt to target player or planeswalker this turn.

Flying

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

Whenever Whispering Specter deals combat damage to a player, you may sacrifice it. If you do, that player discards a card for each poison counter they have.

Wickerbough Elder enters with a -1/-1 counter on it.

, Remove a -1/-1 counter from Wickerbough Elder: Destroy target artifact or enchantment.

Wingrattle Scarecrow has flying as long as you control a blue creature.

Wingrattle Scarecrow has persist as long as you control a black creature. (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever Witherscale Wurm blocks or becomes blocked by a creature, that creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)

Whenever Witherscale Wurm deals damage to an opponent, remove all -1/-1 counters from it.

Trample

When Woodfall Primus enters, destroy target noncreature permanent.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

2 — : Target creature can't block this creature this turn.

4 — Morbid — At the beginning of each end step, if a creature died this turn and this permanent is a creature, put a -1/-1 counter on this permanent and draw a card.

2 — 2/4

3 — 7/2