Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Exile the top three cards of your library. Until end of turn, you may play cards exiled this way. (If you cast a spell this way, you still pay its costs. You can play a land this way only if you have an available land play remaining.)

( can be paid with either or 2 life.)
Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

Flying, vigilance

Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.
Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it."

Up to two target creatures each get +1/+1 and gain lifelink until end of turn.

Flying
When Dark Hatchling enters the battlefield, destroy target nonblack creature. It can't be regenerated.

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has ": Add .")

Flying
If you would lose the game, instead exile Exquisite Archangel and your life total becomes equal to your starting life total.

Whenever Fell Shepherd deals combat damage to a player, you may return to your hand all creature cards that were put into your graveyard from the battlefield this turn.
, Sacrifice another creature: Target creature gets -2/-2 until end of turn.

Create X 1/1 green Saproling creature tokens, where X is the greatest power among creatures you control.

Bloodthirst 6 (If an opponent was dealt damage this turn, this creature enters the battlefield with six +1/+1 counters on it.)
Flying

[0]: Put a 2/2 green Wolf creature token onto the battlefield.
[+4]: Target Wolf creature gets +1/+0 and gains deathtouch until end of turn.
[−10]: Destroy target creature. Put loyalty counters on Garruk the Slayer equal to that creature's toughness.
[−25]: Destroy all creatures Garruk the Slayer doesn't control.

Vigilance
: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
As long as Hundred-Handed One is monstrous, it has reach and can block an additional ninety-nine creatures each combat.

Destroy all creatures you don't control and all planeswalkers you don't control.

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

First strike, menace
Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat.

, : Nin, the Pain Artist deals X damage to target creature. That creature's controller draws X cards.

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.
At the beginning of the upkeep of enchanted permanent's controller, that player loses 1 life.