Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) Whenever an opponent casts a spell, put a -1/-1 counter on this creature. Whenever this creature deals combat damage to a player, remove all -1/-1 counters from it.

Flying This creature enters with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from this creature: Put a -1/-1 counter on each other creature.

When this creature enters, put three -1/-1 counters on target creature you control. {T}, Remove a -1/-1 counter from this creature: Add one mana of any color.

When this creature enters, put two -1/-1 counters on target creature you control. Whenever you put one or more -1/-1 counters on this creature, remove a -1/-1 counter from another target creature you control.

Trample This creature enters with two -1/-1 counters on it. {B/G}, Remove a -1/-1 counter from this creature: Regenerate this creature.

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

If damage would be dealt to this creature, put that many -1/-1 counters on it instead. At the beginning of your upkeep, remove a -1/-1 counter from this creature.

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

Reach Whenever this creature deals combat damage to a creature, put a -1/-1 counter on that creature. Whenever you put one or more -1/-1 counters on a creature, each opponent loses 1 life and you gain 1 life.

First strike, protection from red and from white Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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.)

When this creature enters, put three -1/-1 counters on target creature.

When this creature enters, put two -1/-1 counters on target creature you control. When this creature dies, you may put a -1/-1 counter on target creature for each -1/-1 counter on this creature.

{1}, Sacrifice this creature: Destroy target artifact or enchantment.

Choose target creature. Roll X six-sided dice. For each even result, put two -1/-1 counters on that creature. For each odd result, create a 1/2 blue Bird creature token with flying named Storm Crow.

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

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.