Is Purging Scythe legal in Standard, Modern, and Commander?

Purging Scythe is legal in: Legacy, Vintage, Commander.

Purging Scythe

Q: What type of card is Purging Scythe?

Purging Scythe is an Artifact. Its oracle text reads: "At the beginning of your upkeep, this artifact deals 2 damage to the creature with the least toughness. If two or more creatures are tied for least toughness, you choose one of them."

Artifact

At the beginning of your upkeep, this artifact deals 2 damage to the creature with the least toughness. If two or more creatures are tied for least toughness, you choose one of them.

Set Urza's Saga

Rarity Rare

Mana Value 5

Artist Matthew D. Wilson

Collector # 308

Scryfall