First, the deck features powerful graveyard mechanics such as The Scarab God's reanimate ability, Gisa and Geralf, Tomb Tyrant, and many others
Would make browsing here a lot easier and would probably attract new users/more activity in the side collectibles category on this site
Mechanical beasts, oceans made of chrome, that sort of thing
Harmonize is a very interesting ability that allows you to tap a creature that you control to reduce the mana cost by an amount equal to its power, which means that it shouldnt be too difficult to tutor a big creature for just four green mana
Stella Lee can be built both ways
Lastly, it has a Quick Effect that allows you to replace a card in the Pendulum Zone for a WATER Pendulum Monster that is in your Extra Deck or hand