Is Scion of Draco legal in Standard, Modern, and Commander?

Scion of Draco is legal in: Modern, Legacy, Vintage, Commander.

Scion of Draco

Q: What type of card is Scion of Draco?

Scion of Draco is an Artifact Creature — Dragon. Its oracle text reads: "Domain — This spell costs {2} less to cast for each basic land type among lands you control. Flying Each creature you control has vigilance if it's white, hexproof if it's blue, lifelink if it's black, first strike if it's red, and trample if it's green."

Artifact Creature — Dragon

Domain — This spell costs less to cast for each basic land type among lands you control.

Flying

Each creature you control has vigilance if it's white, hexproof if it's blue, lifelink if it's black, first strike if it's red, and trample if it's green.

Set Modern Horizons 2

Rarity Mythic Rare

Mana Value 12

Artist Greg Staples

Collector # 234

Scryfall Gatherer