Steve, The Re-arranger

+1: Create a colorless Dagger artifact token with "Equipped creature gets +1/+1 and has vigilance. Equip O."
-1: Until end of turn, Steve becomes an artifact with "Indestructible. Equipped creature gets +3/+0 and has trample and lifelink. Equip O."
-4: Create a colorless Foe-Hammer artifact token with "Equipped creature gets +4/+4 and has trample, lifelink, and indestructible. Equip O."