OK trader is imba, what can we change about it?

[Vomitus]

Trader can no longer buy Mine Defuse pack

This is a nerf, of course, but it's not logical. Why should trader has to spend two slots in inventory to defuse mines? Ultpack cannot be bought at the time when you need to do something with mines. I think it's just not fair. However, I do not see any good alternative solution here

As for mana cost, Gammagulp is right. At higher levels it already lacks of mana. Even buying 10 batteries you should gather all adjacent healers to restore your mana or you'll have to go to cp to heal mana in order just to trade effectively.