Jerren, Bishop of the Skirsdag

{2}{b}{t}: Create a 1/1 black and white Cultist
creature token. If you control a legendary demon, instead create a 5/5 black demon creature token
with flying.
{2}{b}{b}{t}, Sacrifice five other creatures: Search
your library for a demon creature and put it onto the battlefield.
Partner (You can have two commanders if both have partner.)