Great Old One's Awakening

Whenever you sacrifice a creature, put an
Offering Counter on Great Old One's Awakening
for every {w}, {u}, {b}, {r} or {g} of mana cost
of sacrificed creature. When Great Old One's Awakening has 21 or more Offering Counters,
you win the game.
{b}, Pay 3 lifes: Add 1 Offering Counter.
"Ph'nglui mglw'nafh Cthulhu R'lyeh
wgah'nagl fhtagn".