MTG

Whenever an opponent casts a spell, Kaervek the Merciless deals damage to any target equal to that spell's converted mana cost.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) When Yavimaya Dryad enters the battlefield, you may sear...

Enchant creature Enchanted creature gets +3/+3 and has "At the beginning of each upkeep, create a 1/1 green Saproling creature token."

All Saprolings get +1/+1. Morph {3}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost....

Each Fungus creature gets +1/+1 for each spore counter on it. {B}{G}, Exile a Fungus card from a graveyard: Put a spore counter on each Fungus on t...

Trample Whenever Spectral Force attacks, if defending player controls no black permanents, it doesn't untap during your next untap step.

Destroy target land. Search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle your library.

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

All Sliver creatures get +2/+2.

Target creature gets +2/+2 until end of turn. If you cast this spell during your main phase, that creature gets +4/+4 until end of turn instead.

All Sliver creatures have flying. All Slivers have "If this permanent would be put into a graveyard, you may put it on top of its owner's library i...

Suspend 3—{1}{G}{G} (Rather than cast this card from your hand, pay {1}{G}{G} and exile it with three time counters on it. At the beginning of your...

All Sliver creatures have "Whenever this creature is dealt damage, put a +1/+1 counter on it." (The damage is dealt before the counter is put on.)

({T}: Add {G}.)

Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.) When Aspect of Mongoose is put into a graveyard fr...

All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp." All Slivers have "{B}: Regenerate this permanent."

({T}: Add {G}.)

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Copy target instant or ...

When a player casts a spell or a creature attacks, exile Norin the Wary. Return it to the battlefield under its owner's control at the beginning of...

({T}: Add {G}.)

{R}, {T}, Discard a card: Destroy target blue permanent. {1}{R}, {T}, Discard a card: Jaya Ballard, Task Mage deals 3 damage to any target. A creat...

Target player reveals a card at random from their hand. Ignite Memories deals damage to that player equal to that card's converted mana cost. Storm...

({T}: Add {G}.)

Whenever another Goblin you control becomes blocked, sacrifice it. If you do, it deals 4 damage to each creature blocking it. Sacrifice two Mountai...