Is Gyruda, Doom of Depths legal in Standard, Modern, and Commander?

Gyruda, Doom of Depths is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Gyruda, Doom of Depths

Q: What type of card is Gyruda, Doom of Depths?

Gyruda, Doom of Depths is a Legendary Creature — Demon Kraken. Its oracle text reads: "Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) When Gyruda enters, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control. Power/Toughness: 6/6"

Legendary Creature — Demon Kraken

Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

When Gyruda enters, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.

Power/Toughness: 6/6

Set Ikoria: Lair of Behemoths

Rarity Rare

Mana Value 6

Artist Tyler Jacobson

Collector # 221

Scryfall