Kan Nixilis, Last of the Oath

Eminence — Whenever another creature enters
the battlefield under your control, if Kan Nixilis,
Last of the Oath is in the command zone or on
the battlefield, you may pay {2}. If you do, each
player sacrifices a permanent or discards a card.
Hellbent — Flip Kan Nixilis, Last of the Oath.
"My brother destroyed this world with knowledge I
will reforge it with hate."
— Kan Nixilis, Last of the Oath