Is Selkie Hedge-Mage legal in Standard, Modern, and Commander?

Selkie Hedge-Mage is legal in: Modern, Legacy, Vintage, Commander.

Selkie Hedge-Mage

Q: What type of card is Selkie Hedge-Mage?

Selkie Hedge-Mage is a Creature — Merfolk Wizard. Its oracle text reads: "When this creature enters, if you control two or more Forests, you may gain 3 life. When this creature enters, if you control two or more Islands, you may return target tapped creature to its owner's hand. Power/Toughness: 2/2"