Demon Lord Sagan

Haste, Vigilance, Trample, Menace
Other Demons you control get +2/+1
{x}{b}{b}{b}{b}{r}Each opponent takes
four X damage, you gain X life, and all creatures
you control get two X +1/+1 counters
{5}{b}{b}{b}{b}{r}Each opponent exiles all their creatures, and the top ten cards of their library.
For each non- land card exiles this way
Each opponent losses that much life
{t}{b}Summon two 3/3 black demon
tokens