Is Kotis, Sibsig Champion legal in Standard, Modern, and Commander?

Kotis, Sibsig Champion is legal in: Legacy, Vintage, Commander, Historic.

Kotis, Sibsig Champion

Q: What type of card is Kotis, Sibsig Champion?

Kotis, Sibsig Champion is a Legendary Creature — Zombie Warrior. Its oracle text reads: "Once during each of your turns, you may cast a creature spell from your graveyard by exiling three other cards from your graveyard in addition to paying its other costs. Whenever one or more creatures you control enter, if one or more of them entered from a graveyard or was cast from a graveyard, put two +1/+1 counters on Kotis. Power/Toughness: 3/3"

Legendary Creature — Zombie Warrior

Once during each of your turns, you may cast a creature spell from your graveyard by exiling three other cards from your graveyard in addition to paying its other costs.

Whenever one or more creatures you control enter, if one or more of them entered from a graveyard or was cast from a graveyard, put two +1/+1 counters on Kotis.

Power/Toughness: 3/3

Set Tarkir: Dragonstorm Commander

Rarity Mythic Rare

Mana Value 3

Artist Chris Rallis

Collector # 5

Scryfall