Spooky20

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell wi...

Slipstream Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Slipstream Serpent. Morph {5}{U}...

Morph {2}{U} (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 Shaper Parasite is tur...

{2}: Sarcomite Myr gains flying until end of turn. {2}, Sacrifice Sarcomite Myr: Draw a card.

Flying When Riftwing Cloudskate enters the battlefield, return target permanent to its owner's hand. Suspend 3—{1}{U} (Rather than cast this card f...

Sacrifice Children of Korlis: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)

All Sliver creatures get +1/+1.

Suspend 3—{2}{B}{B} (Rather than cast this card from your hand, pay {2}{B}{B} and exile it with three time counters on it. At the beginning of your...

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic ...

Knight of the Reliquary gets +1/+1 for each land card in your graveyard. {T}, Sacrifice a Forest or Plains: Search your library for a land card, pu...

Sliver creatures you control have flying and haste.

First strike Sacrifice Vampire Hexmage: Remove all counters from target permanent.

If you would draw a card while your library has no cards in it, you win the game instead.

Flash Flying When Crookclaw Transmuter enters the battlefield, switch target creature's power and toughness until end of turn.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose t...

All Sliver creatures have flying. All Slivers have "If this permanent would be put into a graveyard, you may put it on top of its owner's library i...

{T}: Add one mana of any color. {T}: Put a charge counter on Coalition Relic. At the beginning of your precombat main phase, remove all charge coun...

Tarmogoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1.

Search your library for a green creature card, reveal it, put it into your hand, then shuffle your library. At the beginning of your next upkeep, p...

Exile Simian Spirit Guide from your hand: Add {R}.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever Stronghold Rats deals combat damage to a player, each player...

Buyback—Sacrifice three Islands. (You may sacrifice three Islands in addition to any other costs as you cast this spell. If you do, put this card i...

Flash When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

{T}: Add {C}.