If I had to do it over again I would have replaced metalmorph with Divine Wrath which is really strong know because effect monsters are everywhere and you can also divine wrath to discard parasite you draw against Weevil.
How the hell is he not taking advantage of the vanilla thing, he's running Knight of the Red Lotus and 3 order to charge, heart of the underdog just works if you draw it on early game and heat wave is very situational, since the enemy can set, or can normal sumon a normal monster, a card that you could have been mirrorwall or so...