Convincing Krasis

Flash
Spectacle{b/g}{u/r}{1} (You may cast this spell for its spectacle cost rather than its mana cost if an
opponent lost life this turn.)
Addendum, if you cast Convincing Krasis during
your
main phase it enters the battlefield with a +1/+1 counter.
If you cast Convincing Krasis for it's spectacle
cost double the number of counters on it.