Dart Feld, Aspiring Hero

Dragoon Spirit: When this creature enters the battlefield, attacks, or blocks put one spirit
counter on it. At the end of your turn if this
creature has 5 or more spirit counters on it,
exile it and return it to the battlefield
transformed.
Haste, first strike
Creatures you control get +X/+0 where is X is
the number of spirit counters on Dart Feld,
Aspiring Hero.