Augmented Form

Equipped creature gets +3/+3, Indestructible and "Whenever this creature deals combat damage to a player, tap up to three target artifacts you control, return that many permanents to their owners hands.".
Equip {p/u}{p/b} (Attach to target creature you control. Equip only as a sorcery.)
"Tezzeret exchanged his humanoid form for a better, faster stronger body."