Lol, I no longer play the card game, but I do hold onto the cards. Same with my Pokemon ones. They're sitting in my closet, collecting dust...
I never understood how to play the pokemon card game... ^^;
Before going off-topic...
I can see where the similarities are in Yugioh and Pokemon, such as the awkward monsters, using strategies, ect., ect. But I never saw it as a spinoff.
I did debate before with digimon and pokemon though. I wasn't sure which one came first way back when, so I was so confused... ^^;