The original list played Robber of the Rich, but I found that turning it on was actually pretty tough in Pioneer
For a bit of extra power and a unique challenge to your deck building, you could add Zirda, the Dawnwaker as a companion to your deck
To give you guys an idea as to what these tins can come with, the Eevee Evolutions Vaporeon V Tin comes with a Vaporeon V card, 4 booster packs, and a code card, while something like a Paldea Friends Mini Tin comes with 2 booster packs, a sticker sheet, and a Pokmon art card
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on target creature you control
If you have a lot of decks like that in your local playgroup, you can take advantage of the End the Turn part of Ultima to stop things happening after it resolves