This is all the Changelings, and 20-30 "Lord" type creatures. Plus ways of changing creature types of creatures.
There are a number of strange combos and interactions in this deck.
Note the only non-Changeling Sliver in the deck is Sliver Overlord.
I tried to not do too many Lords of one individual creature type, but Elves and Archers seem to have more than others.
Click here for a text version of this decklist
Click here for my EDH Commander decks