Feather, Disgraced Firemane

Flying, Lifelink
Whenever Feather, Disgraced Firemane deals combat damage, exile the top card of your library. Until end of turn, you may play that card.
Whenever a creature card is put into exile from anywhere, you may pay {x}, where X is that creature's power. If you do, Feather deals X damage to target creature or player.