Keep playing Kaiser?

I thought the swapping mechanic was pretty annoying when I last played one, but I'm planning on getting one to 200 anyway for the card and the 3 200 card set bonus. I may stick to it if they grown on me, but so far I haven't enjoyed it much.

The only other option is flavor of the month classes, which is currently shade. He will get the same treatment your kaiser did. Enticing at first, but when you invest into it he will be nerfed/the drawbacks will probably become unbearable.