Is Defensive Formation legal in Standard, Modern, and Commander?

Defensive Formation is legal in: Legacy, Vintage, Commander.

Defensive Formation

Q: What type of card is Defensive Formation?

Defensive Formation is an Enchantment. Its oracle text reads: "Rather than the attacking player, you assign the combat damage of each creature attacking you. You can divide that creature's combat damage as you choose among any of the creatures blocking it."

Enchantment

Rather than the attacking player, you assign the combat damage of each creature attacking you. You can divide that creature's combat damage as you choose among any of the creatures blocking it.

Set Urza's Saga

Rarity Uncommon

Mana Value 1

Artist Greg Staples

Collector # 9

Scryfall Gatherer