Ive found a lot of joy in creating measurable and achievable collecting goals that have some chase and rarity to them, without creating more stacks of slabs in my workspace
The Numeron deck has a couple ways to win apart from summoning Numeronious, but summoning the king of Xyz monsters is a lot more fun
For example, if you add two cards from your Side Deck to your Main Deck, you must also remove two cards from your Main Deck to your Side Deck
Even ones that are pretty much pure beaters often have other things going on as well
On the other hand, the decks included in this game are not optimized, either
One of the easiest ways to fumble a self-mill deck like this is to have too many off-type cards, filling your graveyard with duds