Luminarch Descension

At the beginning of each opponent's end
step, if you didn't lose life this turn, you may
put a quest counter on Luminarch Descension. (Damage causes loss of life.)
{1}{b/r}{b/r}: Put a 5/5 black demon creature
token with flying onto the battlefield. Only activate this ability only if Luminarch Descension has 4 or more quest counters on
it.