Is Illuna, Apex of Wishes legal in Standard, Modern, and Commander?

Illuna, Apex of Wishes is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Illuna, Apex of Wishes

Q: What type of card is Illuna, Apex of Wishes?

Illuna, Apex of Wishes is a Legendary Creature — Beast Elemental Dinosaur. Its oracle text reads: "Mutate {3}{R/G}{U}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying, trample Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand. Power/Toughness: 6/6"

Legendary Creature — Beast Elemental Dinosaur

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying, trample

Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.

Power/Toughness: 6/6

Set Dominaria United Commander

Rarity Mythic Rare

Mana Value 5

Artist Chris Rahn

Collector # 154

Scryfall