Spooky20

Enchant creature Enchanted creature gets +2/+2. Enchanted creature has vigilance as long as you control a black or green permanent.

Enchant creature Enchanted creature gets +3/+2 and has vigilance.

Whenever this creature mutates, put a +1/+1 counter on it.

Flying

Exile target artifact or enchantment.

Whenever Dinosaur Hunter deals damage to a Dinosaur, destroy that creature.

{1}{U}, {T}: Draw a card, then discard a card.

Rimrock Knight can't block.

{2}{R}, Discard a card: Draw a card.

Lifelink

Create two 1/1 white Vampire creature tokens with lifelink.

Whenever another creature or planeswalker you control dies, put a +1/+1 counter on Rising Populace.

Flying Whenever Aerial Guide attacks, another target attacking creature gains flying until end of turn.

When Tenth District Guard enters the battlefield, target creature gets +0/+1 until end of turn.

Flash When Shining Armor enters the battlefield, attach it to target Knight you control. Equipped creature gets +0/+2 and has vigilance. Equip {3} ...

Morph {4}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying When Parasitic Strix enters the battlefield, if you control a black permanent, target player loses 2 life and you gain 2 life.

Flying Whenever Pegasus Courser attacks, another target attacking creature gains flying until end of turn.

Whenever Reaper of Night attacks, if defending player has two or fewer cards in hand, it gains flying until end of turn.

Lifelink (Damage dealt by this creature also causes you to gain that much life.) When Basri's Acolyte enters the battlefield, put a +1/+1 counter ...

Whenever Queen of Ice deals combat damage to a creature, tap that creature. It doesn't untap during its controller's next untap step.

Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...