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Is Phantump worth having with the Trevenant evolution? I pretty much always lose against full Deoxys teams, but I'm not sure having Phantump would increase my chances of winning that much unless I have other cosmo energy counters.
My current team is Natu, Magmar, Gothorita (these three with evolutions attatched), Deoxys-A (cLvl2) and Shuppet. The 6th slot is basically free so I can add Phantump if it's good enough, but I also got Greninja, Virizion and Petilil today so one of those might be more valuable than Phantump or one of my current team members.