Sorost, Loyal Protector

Haste, Vigilance, First Strike
Retrieve 2 (When this creature deals combat damage to a player or planeswalker, you may exile the top 2 cards of your library, you may
play cards among them until end of turn. At the
end of your turn, put all cards exiled this way
that weren't cast on the bottom of your library in
a random order.