Yu-Gi Oh:
http://www.yugioh-card.com/

MOZ Card:
http://www.mozcard.com/

Magic the gathering:
http://wizards.com/magic/

Pokemon:
http://www.pokemon-card.com/

Monopoly:
http://www.monopoly.com/
　

Gundam War:
http://www.carddas.com/cdmasters/gundamwar/