Being of the Holy Flame

Affinity for Beast, Elk, and Centaurs (This spell
costs {1} less to cast for each Beast, Elk, and
Centaur you control.)
Being of the Holy Flame enters the battlefield
with X Purity counters.
Whenever you cast a Beast, Elk, or Centaur,
Being of the Holy Flame deals X damage to
target creature, where X is the number of Purity counters on Being of the Holy Flame,