Eventide

First strike Belligerent Hatchling enters the battlefield with four -1/-1 counters on it. Whenever you cast a red spell, remove a -1/-1 counter fro...

Wither (This deals damage to creatures in the form of -1/-1 counters.) {1}{G}: Twinblade Slasher gets +2/+2 until end of turn. Activate this abilit...

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

Whenever Spitemare is dealt damage, it deals that much damage to any target.

Chroma — When Outrage Shaman enters the battlefield, it deals damage to target creature equal to the number of red mana symbols in the mana costs o...

{2}{G/U}, {Q}: Double the number of each kind of counter on target permanent. ({Q} is the untap symbol.)

Chroma — When Springjack Shepherd enters the battlefield, create a 0/1 white Goat creature token for each white mana symbol in the mana costs of pe...

{1}{W}, {Q}: Create a 1/1 white Kithkin Soldier creature token. ({Q} is the untap symbol.)

Target player can't play lands this turn if {R} was spent to cast this spell and can't cast creature spells this turn if {W} was spent to cast this...

Swampwalk, forestwalk (This creature can't be blocked as long as defending player controls a Swamp or a Forest.)

Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature t...

Noxious Hatchling enters the battlefield with four -1/-1 counters on it. Wither (This deals damage to creatures in the form of -1/-1 counters.) Whe...

When Duergar Hedge-Mage enters the battlefield, if you control two or more Mountains, you may destroy target artifact. When Duergar Hedge-Mage ente...

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

Double strike

Creatures your opponents control lose flying until end of turn if {G} was spent to cast this spell, and creatures you control gain flying until end...

{B/G}, Remove a -1/-1 counter from a creature you control: Quillspike gets +3/+3 until end of turn.

{2}{R}, {T}, Put a -1/-1 counter on a creature you control: Hatchet Bully deals 2 damage to any target.

{2}{G/U}, {Q}: Double the number of each kind of counter on target permanent. ({Q} is the untap symbol.)

When Noggle Hedge-Mage enters the battlefield, if you control two or more Islands, you may tap two target permanents. When Noggle Hedge-Mage enters...

Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, r...

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Persist (When this creature dies, if it had no -1/-1 co...

Lifelink Voracious Hatchling enters the battlefield with four -1/-1 counters on it. Whenever you cast a white spell, remove a -1/-1 counter from Vo...

Counter target spell. Its controller draws a card. Draw a card.