Azathoth

{t} {c}{c}
{6} Life or destruction: Target creature gets +4/+4 and
proliferate or -4/-4
and annihilator 1
{10}{10}Azathoth becomes a 20/20 creature with protection from everything, comes into the battlefield tapped, and defender and gains: {t} Destroy everything in the whole game except azathoth (they can not be regenerated) and remove defender from azathoth.