Aid from the Cowl - Aether Revolt Prerelease Promo Magic: The Gathering MTG Card - Collectible Trading Card Game for Deck Building & Strategy Battles

Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, reveal the top card of your library. If it's a permanent card, you may put it onto the battlefield. Otherwise, you may put it on the bottom of your library.