I'm not sure on your point? [I might be missing something obvious, if so, please accept my apologies!]
The cards in the CRP can be a physical thing, they're designed to be picked using a standard deck of cards (if you haven't bought one of the card decks that various 3rd parties offer, such as Impact
And the cards are already purchasable at various point costs, from 50k to 400k, and in various decks which are themed, so I'm not sure why you want to go to all the hassle of re-writing something, with all the potential game-breaking issues that might present, when they're already done for you?
_________________"I survived the 525!"ARBBL 2017 Stunty Cup winner
- even if I didn't get a chuffin' trophy!