Is Descent into Madness legal in Standard, Modern, and Commander?

Descent into Madness is legal in: Modern, Legacy, Vintage, Commander.

Descent into Madness

Q: What type of card is Descent into Madness?

Descent into Madness is an Enchantment. Its oracle text reads: "At the beginning of your upkeep, put a despair counter on this enchantment, then each player exiles X permanents they control and/or cards from their hand, where X is the number of despair counters on this enchantment."

Enchantment

At the beginning of your upkeep, put a despair counter on this enchantment, then each player exiles X permanents they control and/or cards from their hand, where X is the number of despair counters on this enchantment.

Set Avacyn Restored

Rarity Mythic Rare

Mana Value 5

Artist Anthony Francisco

Collector # 97

Scryfall Gatherer