Is Keruga, the Macrosage legal in Standard, Modern, and Commander?

Keruga, the Macrosage is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Keruga, the Macrosage

Q: What type of card is Keruga, the Macrosage?

Keruga, the Macrosage is a Legendary Creature — Dinosaur Hippo. Its oracle text reads: "Companion — Your starting deck contains only cards with mana value 3 or greater and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) When Keruga enters, draw a card for each other permanent you control with mana value 3 or greater."

Legendary Creature — Dinosaur Hippo

Companion — Your starting deck contains only cards with mana value 3 or greater and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

When Keruga enters, draw a card for each other permanent you control with mana value 3 or greater.

Set Ikoria: Lair of Behemoths

Rarity Rare

Mana Value 5

Artist Dan Murayama Scott

Collector # 225

Scryfall Gatherer