Not sure if this is necessary but we used 2 decks with 5 upgraded cards (Soldier).
Soldier #3 vs. Water
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5uk 5uk 5uk 5uk 5ul 5up 5up 606 606 606 606 606 606 606 606 606 606 606 606 61t 61t 61t 61t 61t 61t 622 7tb 7tb 7td 7tf 80i 8pu
Soldier #6 vs. Gravity
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5uk 5uk 5uk 5uk 5uk 5uk 5uk 5uk 5ul 5ul 5ul 5ul 5up 5up 5up 5uv 5uv 606 606 606 606 606 606 606 606 7tb 7tb 7tf 7tf 7tf 8pt