For me buying with paypal will be complicated because there is a fraud issue in paypal which the buyer tend to refund their payment but still the product was given to them.
Waves alone are already in bittrex and liqui, there is a chance to be listed in liqui if the volume will grow. They want to see a great community who supports the project because having a lot of supporters means and increase of trading volumewhich is beneficial to a trading site.
Cardsgame have always solids community : strong, motivated and faithful. Don't worry about the actual numbers : time is working for this project. A faithful community, even little, is better than a big speculativ ICO with 99% of sellers in the firsts days (look at the last bigs ICO like Bancor, PBT and so on).