Is Excavator legal in Standard, Modern, and Commander?

Excavator is legal in: Legacy, Vintage, Commander.

Excavator

Q: What type of card is Excavator?

Excavator is an Artifact. Its oracle text reads: "{T}, Sacrifice a basic land: Target creature gains landwalk of each of the land types of the sacrificed land until end of turn. (It can't be blocked as long as defending player controls a land of any of those types.)"

Artifact

, Sacrifice a basic land: Target creature gains landwalk of each of the land types of the sacrificed land until end of turn. (It can't be blocked as long as defending player controls a land of any of those types.)