In fact, it's a shock to many that such a tycoon game hasn't been attempted prioras the fantasy of running a card shop, though niche, is one that's at least somewhat appealing to those in the hobby
In other TCG-related news, check out the Sabrinas Suggestion card from Team Up
If you just want to stomp the game I think things are easiest with Squirtle and friends by far, since you can build it into a Rain Dance deck later and have something that's out of any of the CPU trainers' league, whereas Charizard and Venusaur aren't as competitively powerful(though Pokemon Center cheese with Venusaur is pretty entertaining...), but you can really get away with doing a decent version of whatever you feel like running so I'd just go with whatever you think sounds fun
It can be gained cheaper than any other resource in magic and it can can be deadly when used well
Playing it felt that way, too
Thanks to curious players, it was eventually discovered that Stickers could, in fact, damage MTG cards