Kwain, Giver of Gifts

I built a new Commander deck for Magic: the Gathering around Kwain, Itinerant Meddler (decklist) . I expected it to be a fun deck, with a lot of light-hearted "everyone wins but I win a little more" action. Instead I got a mean machine that creates wild board states. I tried to win this game with Approach of the Second Sun but got counterspelled, so I had to rush in with a swarm of duplicated…