Paradox Engine [Aether Revolt Prerelease Promos] Pauper Whenever a creature with power

Whenever a creature with power 4 or greater enters the battlefield under your control

exile all Nightmares

Set: Portal Three Kingdoms Type: Creature — Ox Rarity: Uncommon Cost: {3}{G} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

Set: Limited Edition Beta Type: Instant Rarity: Common Cost: {G} Target creature gets +3/+3 until end of turn

Paradox Engine [Aether Revolt Prerelease Promos] Pauper Whenever a creature with powerSet: 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