Spark of Beasts

Begin the game with this out of deck in play.
Spark of Beasts enters play with shroud.
-When you cast a creature put X counters on
Spark X = CMC. If it has more then 14 counters it
loses this ability & shroud.
-Spark gains: {t} remove X counters from Spark to
cast a creature from your graveyard X = CMC and
cast it without paying its mana cost. If that
creature leaves play remove it from the game. If
Spark has no counters remove it from the game.