O'Ryan, Defender Reforged

+1: Untap target creature you control. That creature gets +1/+1 until end of turn.
0: O'Ryan, Defender Reforged becomes a 4/5 white human warrior with indestructible. Prevent all damage that would be dealt to him.
-8: Untap all creatures you control. They get +2/+3 until end of turn.