Crimson Behelit

Equip {2}
Whenever the equipped creature deals combat
damage to a player or planeswalker, put a Fate
Counter on Crimson Behelit.
{3}, remove 8 Fate Counters from Crimson
Behelit and exile it: Destroy all non-Demon
creatures except the equipped creature. It gains
3 +1/+1 counters and your choice of Flying,
Deathtouch, Hexproof, Trample, or Menace, and
becomes a Demon in addition to its other types.