Mae, Heavenly Heliomancer

+2: You gain 2 life, target creature you control gains Flying and First strike till your next upkeep
-1: Search your library/graveyard for Mae, Pack Leader and play it for free then place this card in your hand
-10: Put X +2/+2 counters on each creature you control where X is the amount of angels on the battlefield and both players graveyard