Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.)

Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search target player's library for a card and exile it. Then that player shuffles.

Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard this turn. You may choose new targets for the copies.)

Exile target permanent with mana value 4 or greater.

Exile target nonwhite attacking creature. You gain life equal to its toughness.

Exile target nonland permanent. Each player other than its controller creates a token that's a copy of it.

Put target artifact or enchantment on the bottom of its owner's library.

---

Search target opponent's library for a card and exile it. You gain life equal to its mana value. Then that player shuffles.

Whenever you gain life, put two +1/+1 counters on Karlov of the Ghost Council.

{W}{B}, Remove six +1/+1 counters from Karlov of the Ghost Council: Exile target creature.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Untap target creature. It gets +2/+2 and gains lifelink until end of turn.

---

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Target creature you control fights target creature an opponent controls.

Quarantine Field enters the battlefield with X isolation counters on it.

When Quarantine Field enters the battlefield, for each isolation counter on it, exile up to one target nonland permanent an opponent controls until Quarantine Field leaves the battlefield.

Exile target nonland permanent. For as long as that card remains exiled, its owner may cast it without paying its mana cost.

Exile target creature. Its controller gains life equal to its power.

Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another until end of turn.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Exile target nonland permanent.