Regarding sideboard choices, I think you need some number of Null Rod and Chain of Vapor in there
As for my favorite or best performing archetype of the format, it may be surprising to some, but it's been Golgari-based decks
There were many exiling removal cards that saw print in the last two sets as ways to deal with out-of-control deities, such as Godsend, Silence the Believers, Deicide, Gild, and Revoke Existence
In fact, Winter, Cynical Opportunist encapsulates all three stages of this deck's game plan by allowing you to mill when he attacks and reanimate permanents provided you reach the quota for a Delirium trigger
So your big Fireball-style cards turn into big draw spells as well
Bugs In extremely rare cases, unfortunate insects find their way onto a sheet as it goes through the printing process