I strongly suggest to make a scapegoat build.
This means buffs (stone skin, target, god armor, mass haste, etc.), a mixture of tough melee and ranged units and get the resurrection skill maxed ASAP. Then the only thing left for you to do is to use target (round 1) and stone skin (round 2) on your tank and never mind the losses you suffer from that stack, as your paladin will recover them 100%. That will help you win battles with minimal losses.
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