Zach, Satan

Flying, Trample, Vigilance, Shroud, Indestructible, Haste, Menace, Skulk.
This creature gets a +1/+0 for every demon or devil you control.
{t}{3}{r}{r}: Summon a 3/3 red demon creature with flying and “This creature gets a +1/+1 for every devil you control”. Sacrifice another red creature to add a +2/+2 on it.