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 - $5.80
Lightly Played - $5.20
Played - $4.10
Heavily Played - $3.50
Damaged - $2.90
Near Mint Non-English - $5.80
Lightly Played Non-English - $5.20
Played Non-English - $4.10
Heavily Played Non-English - $3.50
Damaged Non-English - $2.90