Cactus Preserve enters the battlefield tapped. {T}: Add one mana of any type that a land you control could produce. {3}: Until end of turn, Cactus Preserve becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land.
Near Mint - $4.80
Lightly Played - $4.30
Played - $3.40
Heavily Played - $2.90
Damaged - $2.40
Near Mint Non-English - $4.80
Lightly Played Non-English - $4.30
Played Non-English - $3.40
Heavily Played Non-English - $2.90
Damaged Non-English - $2.40