For the real experience, use the Paris mulligan rules. 🙊

The decks definitely have flaws (plus Amulet + Summer Bloom was just legal) but the flaws are charming. I'd recommend trying the format, especially if you've never played. I researched some representative and balanced lists, if you want a starting point: moxfield.com/bookmarks/d6...

I had the same issue. Kind of an insane amount of equity to lose to a bug.