Spooky20

Flying When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top...

Flying This creature gets +2/+0 as long as you've drawn two or more cards this turn.

When this creature enters, you may sacrifice a land. If you do, draw a card. Threshold — As long as there are seven or more cards in your graveyard...

Outlast {2} ({2}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Other Sliver creatures you control have outlast {2}.

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.) Target creature gets +2...

Target player sacrifices a creature of their choice.

Target creature gets -1/-1 until end of turn for each Swamp you control.

Sliver creatures you control get +2/+0.

Tap up to four target creatures. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, you may tap target creature.

{4}{S}{S}: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous. {S} can be paid with one mana f...

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice this land: Put two +1/+1 counters on target creature. Activate only as a sor...

Hellbent — As long as you have no cards in hand, Sliver creatures you control have "{T}: This creature deals 1 damage to target player or planeswal...

As long as you had another creature enter the battlefield under your control this turn, this creature has trample and indestructible.

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

({S} can be paid with one mana from a snow source.) When this artifact enters, draw a card. {1}, {T}: Add one mana of any color.

Sacrifice an artifact: This creature gains trample until end of turn.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Put any number of target artifact cards from your graveyard on top of your library. Draw a card.

Whenever a creature you control enters, you gain 1 life. If this enchantment isn't a creature, it becomes a 3/3 Angel creature with flying in addit...

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Lifelink (Damage deal...

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1....

Equipped creature gets +3/+0 and is every creature type. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Whenever an artifact is put into a graveyard from the battlefield, you may gain 5 life.