Mishra's Factory 302 (Modern Horizons 2)

{T}: Add {C}. {1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70