The Rocket Masterbuilder

+1: Create an 0/3 Rocket token with flying and defender.
-1: MTU Aero Engine: Remove defender from target rocket token, give it +7/+2, first strike and trample. Destroy it at the end of the turn.
-3: MTU Space Engine: Create a 10/1 space rocket token with haste, flying, trample, indestructible. Exile it at the end of your turn.