Muzan Kibutsuji

Haste, Menace, Vigilance, Deathtouch, First Strike
When Muzan enters, he deals x damage to each non-demon creature.
Night Absolute Regeneration: If Muzan would die, return him to the battlefield instead.
Demon Manipulation: If a demon an opponent controls would enter the battlefield, instead exile it. You may cast it by paying life equal to its mana cost. Demons spells you control cant be countered.
Muzan gets +1/+1 for each demon you control.