Is Skeletal Swarming legal in Standard, Modern, and Commander?

Skeletal Swarming is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Skeletal Swarming

Q: What type of card is Skeletal Swarming?

Skeletal Swarming is an Enchantment. Its oracle text reads: "Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control. At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead."

Enchantment

Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control.

At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead.

Set Adventures in the Forgotten Realms

Rarity Rare

Mana Value 5

Artist Svetlin Velinov

Collector # 232

Scryfall Gatherer