Nergigante

Flying.
Nergigante enters the battlefield with two +1/+1 counters on it.
Whenever Nergigante is dealt damage, remove
that many +1/+1 counters from Nergigante
estead, and Nergigante takes 1 less damage for
each counter removed this turn if all were
removed.
Whenever Nergigante sends a dragon creature to
the graveyard, put two +1/+1 counters on
Nergigante.