Helm of Obedience + Leyline of the Void
Produces: Exile target opponent's library
- Color identity
- B
- Mana
- {1}
Steps
- Activate Helm of Obedience by paying {1} and tapping it, causing target opponent to mill a card.
- Due to Leyline of the Void's replacement effect, the milled card is exiled instead of going to the graveyard, and that opponents repeats that process until their library is empty.