Small Tips for PVP
Selling stuff like walls at the start gives a resource boost.
Building a small army will help to get AI circles quickly, will level your units, will give you ressources. The first one gets the good stuff.
Leaders with bonus ressources at start will help that cause.
Having a Wizard Schooler (the xp buff caster) early can help leveling units quicker. Especially when leveling single units at a dummy target. Evolutions are often much stronger.
Still losing pvp rounds? Well, give it time. Learning units, what is strong against what, learning leaders etc etc all needs some time. Don’t be frustrated.