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Rielle, the Everwise gets +1/+0 for each instant and sorcery card in your graveyard. Whenever you discard one or more cards for the first time each...

Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black ...

Tap target creature. Prevent all combat damage that would be dealt by that creature this turn. It doesn't untap during its controller's next two un...

Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black ...

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced. {5}{G}{U}: Look at the top five cards of your libr...

Target player gains 5 life, Inspired Ultimatum deals 5 damage to any target, then you draw five cards.

Look at the top five cards of your library. Put any number of permanent cards from among them onto the battlefield and the rest into your hand. Exi...

Counter target spell with converted mana cost X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Flying At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that car...

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for ...

Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black ...

Enchant creature Enchanted creature has shroud as long as it's untapped. (It can't be the target of spells or abilities.)

Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent.

Flash When Voracious Greatshark enters the battlefield, counter target artifact or creature spell.

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's converted mana cost. Cycling {X...

Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At th...

Create a token that's a copy of target permanent. If {R}{G} was spent to cast this spell, instead create a token that's a copy of that permanent, e...

Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At th...

Choose target creature. If a spell or ability that targets that creature would cause a source to deal damage to that creature this turn, prevent th...

Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At th...

Return all artifacts target player owns to their hand.

Return target artifact card from your graveyard to your hand.

Mutate {1}{W/U}{R}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...