Is Apex Devastator legal in Standard, Modern, and Commander?

Apex Devastator is legal in: Legacy, Vintage, Commander.

Apex Devastator

Q: What type of card is Apex Devastator?

Apex Devastator is a Creature — Chimera Hydra. Its oracle text reads: "Cascade, cascade, cascade, 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. Multiple instances of cascade each trigger separately.)"

Creature — Chimera Hydra

Cascade, cascade, cascade, 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. Multiple instances of cascade each trigger separately.)

Set Commander Legends

Rarity Mythic Rare

Mana Value 10

Artist Svetlin Velinov

Collector # 217

Scryfall Gatherer