Aid from the Cowl [Aether Revolt Prerelease Promos]

Set:	Aether Revolt Prerelease Promos
Type:	Enchantment
Rarity:	Rare
Cost:	{3}{G}{G}

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.