Obviously, this isnt always the case, but when it comes to proxies and cards of that type, the general rule of thumb is that as long as youre upfront about them with your opponent and agree to work with them in your game, theyre fine
Of course, if thats your criteria, make sure to sign up for this card whose major marketing pitch is thats its the heaviest card available
As for me, I get to travel around quite a bit in March
Although most of these games are out of print in their original TCG aspect, several of them are still alive, either as digital games, or Living Card Games (a kind of collectible card game without the randomness aspect of booster packs)
For multi-category portfolios, Collectr is solid
Its pretty tough to choose between these two powerhouses