Thanks for playing! Yes, I wanted to have a tutorial but didn't have enough time :(
As for why you were only getting those three suits - it's mentioned in the GDD - but at the beginning of each match a random number of suits are in play. I didn't have time to generate the strength/weakness chart based on what's in play so the global one is what was used. If you hit replay at the end for another match you should've (hopefully) gotten a different set of suits.