Karn, the Great Creator (Stained Glass) [Secret Lair Drop Promos] Hydra Your opponents can't cast spells

Your opponents can't cast spells during your turn

Shield of Argive

"I am confined by sleep and defined by nightmare

then return it to the battlefield transformed under its owner's control

Karn, the Great Creator (Stained Glass) [Secret Lair Drop Promos] Hydra Your opponents can't cast spellsSet: Secret Lair Drop Promos Type: Legendary Planeswalker Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card into your hand.