I haven't play-tested it, but it seems like you'd run into the issue of milling too many of your own resources away before the combo succeeds. With Stuffy Doll being a 5 cast, you've a fair bit of turns before he'd come out. But many of the cards you have in here are mill effects for less cost which means unless you're going to be mostly inactive for 5 turns (assuming perfect land progression) you run a high risk of getting rid of necessary counter-spells, lands, or creatures. Bolas was a nice addition to let you get a Harvest Pyre, Devil's play, or counter-spell, but comes at the cost of putting those other resources at the bottom of your deck, which runs the potential of slowing down the entire process. All that being said, if/when it works it would be a lot of fun :)
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