Aid from the Cowl (AER) from Aether Revolt, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Viktor Titov
• Card Text:
  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.