+1: choose up to one target creature. put a +1/+1 counter and a counter from among flying, first strike, lifelink, or vigilance on it.
-3: look at the top seven cards of your library. you may put a permanent card with mana value 3 or less from among them onto the battlefield with a shield counter on it. put the rest on the bottom of your library in a random order.
-7: create five 3/3 white angel creature tokens with flying.