Spooky20

Creatures your opponents control get -2/-0 until end of turn.

Devoid (This card has no color.) {T}: This creature deals 1 damage to each opponent. Whenever you cast a colorless spell, untap this creature.

({T}: Add {U}.)

Devoid (This card has no color.) When this creature dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}."

Counter target noncreature spell.

When this creature enters, each player sacrifices a creature of their choice.

{T}: Add {G}. If you control a creature with power 4 or greater, add {G}{G} instead.

Destroy target artifact or land. Cycling {2} ({2}, Discard this card: Draw a card.)

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.

{1}{B}, {T}: Target player loses 1 life.

{T}, Tap an untapped creature you control: Add one mana of any color.

When this enchantment enters, exile another target nonland permanent. When this enchantment leaves the battlefield, return the exiled card to the b...

{U}: This creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)

Whenever a Forest you control enters, this creature gets +2/+2 until end of turn. Whenever you cast a Treefolk spell, this creature gets +2/+2 unti...

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

All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."

{T}, Sacrifice a Goblin: Goblin creatures get +2/+0 until end of turn.

This creature can't block. Whenever this creature deals combat damage to a creature, destroy that creature. It can't be regenerated.

This creature can't be blocked. {T}, Sacrifice this creature: Target creature can't be blocked this turn.

When this creature dies, each player draws a card.

Magma Spray deals 2 damage to target creature. If that creature would die this turn, exile it instead.

Constellation — Whenever this creature or another enchantment you control enters, creatures you control gain trample until end of turn.

Attacking creatures get +2/+0 until end of turn.

When this creature enters, put a +1/+1 counter on target creature.