Spooky20

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

Landfall — Whenever a land you control enters, create a 1/1 green Saproling creature token.

{T}: You gain 1 life.

Destroy target artifact or enchantment. You gain 4 life.

Destroy target artifact.

All creatures get -1/-1 until end of turn.

Target creature gets +2/+4 until end of turn.

Shock deals 2 damage to any target.

A deck can have any number of cards named Shadowborn Apostle. {B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demo...

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Enchant creature Enchanted creature gets -3/-0.

Creatures without flying can't block this turn.

Flying

Whenever this creature deals combat damage to a player, draw a card.

{1}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.

Target creature you control gets +1/+1 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Enchant creature Enchanted creature gets -1/-1 for each Swamp you control.

Sliver creatures you control get +1/+1.

Destroy target creature with flying.

({T}: Add {W}.)