Is Kopala, Warden of Waves legal in Standard, Modern, and Commander?

Kopala, Warden of Waves is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Kopala, Warden of Waves?

Kopala, Warden of Waves is a Legendary Creature — Merfolk Wizard. Its oracle text reads: "Spells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target a Merfolk you control cost {2} more to activate. *"I know these waters better than you know yourselves."* Power/Toughness: 2/2"