Paradox Engine [Aether Revolt Prerelease Promos] Dragon Wizard When that mana is spent

When that mana is spent to cast an instant or sorcery spell

{T}: Regenerate target Elephant

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Change the target of target spell with a single target unless that spell's controller pays {2}

If you cast it any time a sorcery couldn't have been cast

Paradox Engine [Aether Revolt Prerelease Promos] Dragon Wizard When that mana is spentSet: 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