Is Bad Moon legal in Standard, Modern, and Commander?

Bad Moon is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Bad Moon?

Bad Moon is an Enchantment. Its oracle text reads: "Black creatures get +1/+1."

Enchantment

Black creatures get +1/+1.

Set Limited Edition Alpha

Rarity Rare

Artist Jesper Myrfors

Enchantment Modern Commander Legacy