Dronoktheus, the Cerulean

Trample, Vigilance
Protection from red and blue spells.
Whenever you cast an enchantment spell, put
a madness counter on Dronoktheus.
{2}{u/r}, remove any number of madness counters
from Dronoktheus, the Cerulean: Dronoktheus
deals damage to enchanted creature or player
equal to the number of removed madness
counters.