Braids, Incubo Risvegliato (Braids, Arisen Nightmare)

Legendary Creature — Nightmare · {1}{B}{B}

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent of their choice that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.