Is Wistfulness legal in Standard, Modern, and Commander?

Wistfulness is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Wistfulness

Q: What type of card is Wistfulness?

Wistfulness is a Creature — Elemental Incarnation. Its oracle text reads: "When this creature enters, if {G}{G} was spent to cast it, exile target artifact or enchantment an opponent controls. When this creature enters, if {U}{U} was spent to cast it, draw two cards, then discard a card. Evoke {G/U}{G/U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)"