Obviously I am way late, but aside from running both Goten and Kid Trunks as allies and just fusing Gotenks as an ally, you can play Kid Trunks, Teenager from the kid buu saga in your MP stack. That card lets you play Future Trunks personalities as part of your MP stack while still ...
The Gotenks deck was far superior to the Vegito both because Gotenks has better powers than Vegito and Goten has a very useful level one power to sit on if fusion gets trumped. Saying it isn’t worth it doesn’t mean I was never able to fuse however. With Gotenks I fused quite often;...