Broxxen,Power of Ice

+1: Put a +1/+1 counter on each blue or white creature you control, they gain trample until end of turn.
-4: Broxxen becomes a 4/4 ice bear creature with trample until end of turn.It can attack straight away.
-8: Broxxen,Power of Ice deals damage equal to target player's highest creature's power to it's controller.