Is Young Deathclaws legal in Standard, Modern, and Commander?

Young Deathclaws is legal in: Legacy, Vintage, Commander.

Young Deathclaws

Q: What type of card is Young Deathclaws?

Young Deathclaws is a Creature — Lizard Mutant. Its oracle text reads: "Menace (This creature can't be blocked except by two or more creatures.) Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.)"

Creature — Lizard Mutant

Menace (This creature can't be blocked except by two or more creatures.)

Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.)

Set Fallout

Rarity Uncommon

Mana Value 4

Artist Nino Is

Collector # 125

Scryfall Gatherer