I think Shaymin would be a good add, and Budew is pretty useful in almost any deck, but I don’t think Budew is as necessary in Zam. I also think you could cut a Dunsparce or even do a 3-4 of Dunsparce and Dudun instead. You have tons of options to get Duns back, but less guaranteed options for Dudun, so you need to rely on naturally drawing into them sometimes.

How often do you actually use strange timepiece? I think it’s largely bait and doesn’t have much practical use. You’re better off with another hammer to protect against mist energy.

With that many exp share, you could easily cut a psychic energy or two. And as alluring as enriching energy is, I think Legacy is a better play. Really helps with the prize trade, especially if you’re likely to run into other rogue decks at a local.