Sarca, Graceful Guardian

+1: Create a 2/2 white Spirit creature token with flying and lifelink.
-4: Return a creature you control to your hand, until end of turn Sarca, Graceful Guardian becomes a copy of that creature except it has flying.
-7: You get an emblem with "Whenever a creature enters the battlefield under your control, you may gain 2 life and draw a card."