Is Owlbear Cub legal in Standard, Modern, and Commander?

Owlbear Cub is legal in: Legacy, Vintage, Commander.

Owlbear Cub

Q: What type of card is Owlbear Cub?

Owlbear Cub is a Creature — Bird Bear. Its oracle text reads: "Mama's Coming — Whenever this creature attacks a player who controls eight or more lands, look at the top eight cards of your library. You may put a creature card from among them onto the battlefield tapped and attacking that player. Put the rest on the bottom of your library in a random order. Power/Toughness: 3/3"

Creature — Bird Bear

Mama's Coming — Whenever this creature attacks a player who controls eight or more lands, look at the top eight cards of your library. You may put a creature card from among them onto the battlefield tapped and attacking that player. Put the rest on the bottom of your library in a random order.

Power/Toughness: 3/3

Set Commander Legends: Battle for Baldur's Gate

Rarity Rare

Mana Value 3

Artist Ernanda Souza

Collector # 246

Scryfall