Paradox Engine [Aether Revolt Prerelease Promos] Nissa your opponents can't cast spells

your opponents can't cast spells or activate abilities of artifacts

You may cast the copies without paying their mana costs

in such a tempest

Set: Darksteel Type: Artifact Creature — Beast Rarity: Rare Cost: {2} Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager

it deals that much damage to each other opponent

Paradox Engine [Aether Revolt Prerelease Promos] Nissa your opponents can't cast spellsSet: Aether Revolt Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {5} Whenever you cast a spell, untap all nonland permanents you control. "One look at this glorious item convinced me that Kaladesh deserved my full attention. Sure enough, my time here has yielded exquisite fruit." Tezzeret