Is Cactus Preserve legal in Standard, Modern, and Commander?

Cactus Preserve is legal in: Legacy, Vintage, Commander.

What type of card is Cactus Preserve?

Cactus Preserve is a Land — Desert. Its oracle text reads: "This land enters tapped. {T}: Add one mana of any type that a land you control could produce. {3}: Until end of turn, this land becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land."

Cactus Preserve

Land — Desert

This land enters tapped.

: Add one mana of any type that a land you control could produce.

: Until end of turn, this land becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land.