Nightmare Shepherd (THB) #108 [EN/F]

{2}{B}{B} · Enchantment Creature — Demon · 4/4 · Flying Whenever 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. · Illustrated by Tyler Jacobson · Theros Beyond Death #108 · EDHREC rank 4176 · Magic: The Gathering, MTG