Impending Doom is a uncommon Enchantment — Aura card from Jumpstart 2022 (J22), collector number 557. Current market price: $0.24, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +3/+3 and attacks each combat if able. When enchanted creature dies, this Aura deals 3 damage to that creature's controller.