Legendary Creature — Nightmare
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.
3/3

Punisher engine that taxes opponents similarly, forcing choices for value.

Black 3-4 drop punishing draws and rewarding your engine with life swings.

Sacrifice synergy that turns Braids' fodder into board wipes for opponents.

Each sacrifice forces opponents to sacrifice, pairing with Braids' fodder.

Plays from top of library, fueled by extra cards/life Braids generates.

Sacrifice payoff drawing cards off each permanent sacrificed.

Damage payoff every time you sacrifice a permanent to Braids.

Generates treasures off sacrifices, refueling Braids' costs.
If the permanent that you sacrifice as you resolve Braids's triggered ability has more than one card type, each opponent may choose to sacrifice any permanent they control that shares any card type with it. For example, if the permanent you sacrifice is an artifact creature, one opponent might choose to sacrifice an artifact and another opponent might choose to sacrifice a creature.