{T}: Add {C}. {1}: Mishra's Factory 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.
Near Mint - $395.500
Lightly Played - $316.400
Moderately Played - $276.900
Heavily Played - $237.300
Damaged - $197.800
Near Mint Spanish - $395.500
Lightly Played Spanish - $316.400
Moderately Played Spanish - $276.900
Heavily Played Spanish - $237.300
Damaged Spanish - $197.800