Engineer

+2: Choose one: Create a red 3/1 L1 Sentry token with Vigilance -or- Return target creature you control to your hand.
-3: Choose one: Create a red 5/3 L2 Sentry token with Vigilance and Menace -or- Return up to two target creatures you control to your hand.
-10: Create four red 7/5 L3 Sentry tokens with Vigilance, Menace, and First strike, and Trample.