Shi-langoi, Devil Cultist

Masterful Combat(This creature deal combat damage BEFORE first strike or double-strike damage)
Whenever a creature is dealt damage by Shi-langoi, Devil Cultist you put a Cult counter on this creature, if you have 5 or more cult counters, create a 6/6 devil dragon with flying and Lifelink
{3}{b}{t}: Shi-langoi, Devil Cultist deals 1 damage to target creature