Is Dega Sanctuary legal in Standard, Modern, and Commander?

Dega Sanctuary is legal in: Legacy, Vintage, Commander.

Dega Sanctuary

Q: What type of card is Dega Sanctuary?

Dega Sanctuary is an Enchantment. Its oracle text reads: "At the beginning of your upkeep, if you control a black or red permanent, you gain 2 life. If you control a black permanent and a red permanent, you gain 4 life instead."

Enchantment

At the beginning of your upkeep, if you control a black or red permanent, you gain 2 life. If you control a black permanent and a red permanent, you gain 4 life instead.

Set Apocalypse

Rarity Uncommon

Mana Value 3

Artist Ben Thompson

Collector # 5

Scryfall Gatherer