Is Annoyed Altisaur legal in Standard, Modern, and Commander?

Annoyed Altisaur is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

Annoyed Altisaur

Q: What type of card is Annoyed Altisaur?

Annoyed Altisaur is a Creature — Dinosaur. Its oracle text reads: "Reach, trample Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)"

Creature — Dinosaur

Reach, trample

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Set Modern Horizons 3

Rarity Uncommon

Mana Value 7

Artist Lars Grant-West

Collector # 284

Scryfall Gatherer