Sanguinius, The Angel

As long as your devotion to white or red is less than 6 Sanguinius isn't a creature
Astartes warriors you control get +2/+0
Flying
{1}{r/w} Black Rage - Goad Target creature until end of turn
{5}{p/r}{t} End the Heresy - Sacrifice Sanguinius, the Angel Exile all creatures