Is Oath of Mages legal in Standard, Modern, and Commander?

Oath of Mages is legal in: Legacy, Vintage, Commander.

Oath of Mages

Q: What type of card is Oath of Mages?

Oath of Mages is an Enchantment. Its oracle text reads: "At the beginning of each player's upkeep, that player chooses target player who has more life than they do and is their opponent. The first player may have this enchantment deal 1 damage to the second player."

Enchantment

At the beginning of each player's upkeep, that player chooses target player who has more life than they do and is their opponent. The first player may have this enchantment deal 1 damage to the second player.

Set Exodus

Rarity Rare

Mana Value 2

Artist Keith Parkinson

Collector # 90

Scryfall