McCallister

Flying
When this creature is in the command zone or on the battlefield, you may pay {2} on top of any creature mana cost and disguise creature as a 2/2 {g/u} Demi-God. Flash pay {1} and turn card over at any time.

At your end step, add +1/+1 counters to target creature for each card turned over this turn.

"Even Gods like to have fun"