Is Balduvian Trading Post legal in Standard, Modern, and Commander?

Balduvian Trading Post is legal in: Legacy, Vintage, Commander.

Balduvian Trading Post

Q: What type of card is Balduvian Trading Post?

Balduvian Trading Post is a Land. Its oracle text reads: "If Balduvian Trading Post would enter, sacrifice an untapped Mountain instead. If you do, put Balduvian Trading Post onto the battlefield. If you don't, put it into its owner's graveyard.{T}: Add {C}{R}.{1}, {T}: Balduvian Trading Post deals 1 damage to target attacking creature."

Land

If Balduvian Trading Post would enter, sacrifice an untapped Mountain instead. If you do, put Balduvian Trading Post onto the battlefield. If you don't, put it into its owner's graveyard.<br>: Add .<br>, : Balduvian Trading Post deals 1 damage to target attacking creature.