Nergigante

Flying, Vigilance
When Nergigante has 5 +1/+0
counters on it, remove all counters from Nergigante and kill up to 4 target creatures and any target Dragons with Flying
{t}{c} : Place a +1/+0 counter on Nergigante
{t}{c}{c}{c}{c}{x} : Kill X target Dragons