Spooky20

{0}: This creature gets -1/-0 and gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.)

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, counter target activated ability. (Mana abilities ca...

Destroy target land. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

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...

All Sliver creatures get +0/+2.

As long as this creature is untapped, all combat damage that would be dealt to you by unblocked creatures is dealt to this creature instead. Morph ...

{T}: Add {G}. {2}{G}{G}{G}: This artifact becomes a 5/3 green Treefolk artifact creature with trample until end of turn. When this artifact is put ...

Suspend 4—{1}{R} (Rather than cast this card from your hand, pay {1}{R} and exile it with four time counters on it. At the beginning of your upkeep...

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

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

{G}: This creature gains forestwalk until end of turn and deals 1 damage to you. (It can't be blocked as long as defending player controls a Forest...

Buyback {2}{G} (You may pay an additional {2}{G} as you cast this spell. If you do, put this card into your hand as it resolves.) Create an X/X gre...

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) When this creature enters, you may search your library f...

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever this creature attacks and isn't blocked, you may have it dea...

All Sliver creatures have "{T}: This creature deals 2 damage to any target and 3 damage to itself."

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Destroy target tapped creature.

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

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 (You may cast this spell any time you could cast an instant.) When Voidmage Husher enters the battlefield, counter target activated ability....

{U}: Viscerid Deepwalker gets +1/+0 until end of turn. Suspend 4—{U} (Rather than cast this card from your hand, you may pay {U} and exile it with ...

Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle. Flashback {5}{B} (You may cast this c...

Target spell or permanent becomes colorless.

Target player sacrifices half the permanents they control, rounded down. Suspend 2—{2}{B}{B} (Rather than cast this card from your hand, you may p...