Eternal CurseKeeper

Whenever a Pirate you control gains a Mutation, put a "For the Dutchman" counter on Eternal Cursekeeper.
As long as Eternal Cursekeeper has three or more "For the Dutchman" counters, Pirates you control have "Whenever this creature deals combat damage to a player, it gains a random Mutation."
As long as Eternal Cursekeeper has eight or more "For the Dutchman" counters, whenever a Pirate you control gains a Mutation, it explores.

To sail under the Dutchman's banner is to embrace the curse—ever ch