Is Dominus of Fealty legal in Standard, Modern, and Commander?

Dominus of Fealty is legal in: Modern, Legacy, Vintage, Commander.

Dominus of Fealty

Q: What type of card is Dominus of Fealty?

Dominus of Fealty is a Creature — Spirit Avatar. Its oracle text reads: "Flying At the beginning of your upkeep, you may gain control of target permanent until end of turn. If you do, untap it and it gains haste until end of turn."

Creature — Spirit Avatar

Flying

At the beginning of your upkeep, you may gain control of target permanent until end of turn. If you do, untap it and it gains haste until end of turn.

Set Commander 2011

Rarity Rare

Mana Value 5

Artist Kev Walker

Collector # 194

Scryfall Gatherer