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

Descent into Avernus is legal in: Legacy, Vintage, Commander.

Descent into Avernus

Q: What type of card is Descent into Avernus?

Descent into Avernus is an Enchantment. Its oracle text reads: "At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment."

Enchantment

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

Set Commander Legends: Battle for Baldur's Gate

Rarity Rare

Mana Value 3

Artist Bruce Brenneise

Collector # 169

Scryfall