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17 May 2024: Card library updated.

Sphinx's Decree

1W · Sorcery

Each opponent can't cast instant or sorcery spells during that player's next turn.

Similar cards

Color identity:
NameManaTypeText
Show of Confidence 1WInstant When you cast this spell, copy it for each other instant and sorcery spell you've cast this turn. You may choose new targets for the copies. Put a +1/+1 counter on target creature. It gains vigilance until end of turn.
Treason of Isengard 2USorcery Put up to one target instant or sorcery card from your graveyard on top of your library. Amass Orcs 2. (To amass Orcs 2, put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)
Glimmervoid Basin Plane — Mirrodin Whenever a player casts an instant or sorcery spell with a single target, that player copies that spell for each other spell, permanent, card not on the battlefield, and/or player the spell could target. Each copy targets a different one of them. Whenever chaos ensues, choose target creature. Each player except that creature's controller creates a token that's a copy of that creature.
Gandalf the Grey 3URLegendary Creature — Avatar Wizard Whenever you cast an instant or sorcery spell, choose one that hasn't been chosen — • You may tap or untap target permanent. • Gandalf the Grey deals 3 damage to each opponent. • Copy target instant or sorcery spell you control. You may choose new targets for the copy. • Put Gandalf on top of its owner's library. 3/4
Mage Duel 2GSorcery This spell costs {2} less to cast if you've cast another instant or sorcery spell this turn. Target creature you control gets +1/+2 until end of turn. Then it fights target creature you don't control. (Each deals damage equal to its power to the other.)
Arcane Laboratory 2UEnchantment Each player can't cast more than one spell each turn.
Rule of Law 2WEnchantment Each player can't cast more than one spell each turn.
Fire Servant 3RRCreature — Elemental If a red instant or sorcery spell you control would deal damage, it deals double that damage instead. 4/3
Invocation of the Founders Enchantment Whenever you cast an instant or sorcery spell from your hand, you may copy that spell. You may choose new targets for the copy.
A-Tome Shredder 1RCreature — Wolf Haste {T}, Exile an instant or sorcery card from your graveyard: Put a +1/+1 counter on Tome Shredder. 2/1
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