Spooky20

Counter target spell unless its controller pays {1}.

Whenever Radha, Heir to Keld attacks, you may add {R}{R}. {T}: Add {G}.

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target.

{2}, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn't have suspend, it gains suspend. (At the beginnin...

Vigilance {T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn. Suspend 4—{W...

Target creature gets +2/+2 until end of turn. If you cast this spell during your main phase, that creature gets +4/+4 until end of turn instead.

{G}, {T}, Discard a card: Create a 1/1 green Elf Druid creature token named Llanowar Elves. It has "{T}: Add {G}."

At the beginning of your upkeep, put a spore counter on Thallid Germinator. Remove three spore counters from Thallid Germinator: Create a 1/1 green...

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. At the beginning of your next upkeep, pay {2}{G}{G}...

Suspend 10—{R} Sacrifice an artifact, creature, or land: Remove a time counter from Greater Gargadon. Activate only if Greater Gargadon is suspended.

Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new target...

Dead deals 2 damage to target creature.

Conflagrate deals X damage divided as you choose among any number of targets. Flashback—{R}{R}, Discard X cards. (You may cast this card from your ...

Destroy target artifact. Flashback {G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

This spell can't be countered. Flying, trample, protection from white and from blue {R}: Akroma, Angel of Fury gets +1/+0 until end of turn. Mor...

Other white creatures get +1/+1. Nonwhite creatures get -1/-1. Pay 2 life: Return Crovax, Ascendant Hero to its owner's hand.

{2}{B}, {T}, Discard a card: Each other player loses 2 life. You gain life equal to the life lost this way.

Cards in graveyards lose all abilities.

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

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