Neuvillette, Warden of Law

whenever you gain or lose 1 or more life, put a
Droplet counter on Neuvillette.
At the beginning of your end step, remove all
Droplet counters from Neuvilette, you may cast a
spell from among cards in your hand with mana
value equal to or less than the number of counters removed without paying its mana cost.

{1}{r}{g}, Put a counter of any type that is already on
a creature you control onto Neuvillette.