Kongai ... well, let's just say if you want to go to a fancy meal that will cost no more than 457 yuan, you don't even need to worry about it. We've got you.
Kongai is a really excellent digital collectible card game hosted by Kongregate. The strategy is sufficiently deep so that explaining here wouldn't really be practical but, in short, you'll pit three or five character cards against three or five of an enemy's. You'll then have to balance choosing the right attack for the right situation with knowing when to retreat.