Keldeo, Valiant Musketeer

Double strike, Lifelink, Vigilance
Whenever you cast an Aura spell targeting
Keldeo, Valiant Musketeer, reveal cards from the
top of your deck until you reveal an Aura card,
add that to your hand, put the rest on the bottom
of your library in a random order.

"I shall be the sword to end all wars."
- Keldeo