Is Emperor of Bones legal in Standard, Modern, and Commander?

Emperor of Bones is legal in: Modern, Legacy, Vintage, Commander, Historic.

Emperor of Bones

Q: What type of card is Emperor of Bones?

Emperor of Bones is a Creature — Skeleton Noble. Its oracle text reads: "At the beginning of combat on your turn, exile up to one target card from a graveyard. {1}{B}: Adapt 2. Whenever one or more +1/+1 counters are put on this creature, put a creature card exiled with this creature onto the battlefield under your control with a finality counter on it. It gains haste. Sacrifice it at the beginning of the next end step."

Creature — Skeleton Noble

At the beginning of combat on your turn, exile up to one target card from a graveyard.

: Adapt 2.

Whenever one or more +1/+1 counters are put on this creature, put a creature card exiled with this creature onto the battlefield under your control with a finality counter on it. It gains haste. Sacrifice it at the beginning of the next end step.

Set Modern Horizons 3

Rarity Rare

Mana Value 2

Artist Josh Hass

Collector # 90

Scryfall Gatherer