The Mycosynth Gardens 256 (Promo Pack: Phyrexia: All Will Be One)

{T}: Add {C}. {1}, {T}: Add one mana of any color. {X}, {T}: This land becomes a copy of target nontoken artifact you control with mana value X.

NM - $3.90
LP - $3.10
MP - $2.40
HP - $1.60
DMG - $1.50