Zareth San, Ocean's Friend

Companion-All creatures in your starting deck are Rogues, have "mill" in their text, or Thassa, God of the Sea
As long as Zareth San, Friend of the Sea is in play, Thassa enhancements you control are creatures.
As long as you control a Thassa God, Zareth San has islandwalk, deathtouch, and shroud.