You need to run a third Mandragora, and three Kerykeion over that awful LV.5 Evilswarm. One O'Lantern over the third Thunderbird might help, too. You only need one Infection, and you should run 3 Compulsory Evacs, since it's too good against other Xyz-heavy decks. dark Hole is also a card you should consider and why you aren't already running it I don't know??? You should move System Down to the side, as you won't be facing too many Machine-based decks you can't already deal with using your other cards. Side at least 2 or 3 Maxx C's if you're not gonna Main them. Also: Use Eradicator Epidemic Virus over Deck Devastation. Trust me, EEV kills Spellbooks so hard, and DDV doesn't hit nearly as many popular decks, though I guess it's a decent Side Deck card.