Madoka, Holy Quintet Leader

Hexproof, reach
Whenever another Magical Girl you control dies
put X grief counters on this creature equal to the
number of grief counters that creature had
before it died.
{u}{b}{r}: Sacrifice Madoka, Holy Quintet Leader
and create Kriemhild Gretchen, a Legendary
10/10 Black Witch Creature token with
indestructible, reach, and shroud. Activate
only if Madoka has 20 or more grief counters.