Crimson-lake Dancers

Link — Crimson-lake Dancers enters the battlefield with a +1/+1 counter on it. If
Crimson-lake Dancers shares a color with the last
spell cast this turn, it enters the battlefield with
an additional +1/+1 counter on it.
{1}, Remove a +1/+1 counter from Crimson-lake Dancers: Add {r}{r}. Activate only as a sorcery.
The subtle gestures of those twins follow the reflections
of the twin moons on the crimson waters.