Nightmare Shepherd [Theros Beyond Death]

Set: Theros Beyond Death Type: Enchantment Creature — Demon Rarity: Rare Cost: {2}{B}{B} FlyingWhenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and it's a Nightmare in addition to its other types.