Eye Of Kthugg'xun

Costs {1} less for every Gorgorath the
Hound Of Chaos equipped to
Rodrick the Immortal Outcast
{t}: Add {x} for every every Gorgorath
the Hound Of Chaos on the battlefield
{t}: If 13 Gorgorath the Hound Of Chaos are
equipped to Rodrick the Immortal Outcast
turn him into Rodrick the Great Old One