I have been trying to complete the single player maps on expert difficulty with the new starter cards, and I have become stuck on Oracle The strategy that has worked out the best for me so far is this: 1. Wait for first wave, let warlocks kill them, Summon Witchclaw and pull mobs from 2nd orb back to the 1st, While Warlocks deal with the mobs run past and take the 2nd orb with the witchclaws 2. Build Commandos at the 2nd orb, with concentrate to deal with spawns 4-5 commandos shou