Is Wayfaring Temple legal in Standard, Modern, and Commander?

Wayfaring Temple is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Wayfaring Temple

Q: What type of card is Wayfaring Temple?

Wayfaring Temple is a Creature — Elemental. Its oracle text reads: "Wayfaring Temple's power and toughness are each equal to the number of creatures you control. Whenever this creature deals combat damage to a player, populate. (Create a token that's a copy of a creature token you control.)"