pokemon set with 192 cards Rebel Clash Evolution - Greedent 152/192 - Sword & Shield [Psychic][Colorless][Colorless] Psychic 10+ This attack does 60 more damage for each Energy attached to your opponents Active Pokemon. Gyarados 040/192 - Rebel Clash

While these cards are understandably off limits, there are plenty of other cards that could realistically be reprinted

Heal What Has Been Hurt | Song This is a pretty sweet card

Otawara, Soaring City Otawara, Soaring Citys bounce ability can be nice for stalling opponents or putting one of your own cards back in your hand

Pull rate from Regular Packs: 0.36% The estimated pull rate for Froakie (Extradimensional Crisis) from a Regular Pack is approximately 0.36%, meaning you might need to open around 282 Regular Packs to obtain it

You can play a ton of lands and a ton of ramp to just absurdly accumulate mana sources