Kesshrah Bane Sworn king

When Kesshrah Bane Sworn king enters the
battlefield pay {x} create {x} 1/1 black knight token
{t}{c}{c} Create a */* black Champion
token were * is your
Devotion to red or black
{t}{b/r}{b/r}{b/r}{b/r} Target Creature gains+3/+3
other red and black spells cost {3} less