Grimm, Troupe general

Flying, Menace
At the beginning of your upkeep you may pay {r}{b}. If you do, create The Grimmchild, a 3/3 red and black legendary token with Flying and Haste.
{r}{r}, sacrifice The Grimmchild: Deal 6 damage to any target.
{b}{b}, sacrifice The Grimmchild: each opponent sacrifices a creature.
{r}{r}{r}{b}{b}{b}, sacrifice The Grimmchild: transform Grimm, Troupe general