What Doesn't Kill You is tricky trap ruleset. The ruleset grant Enrage to the entire formation. Enrage only works on Melee cards, so the simple strategy is to deploy as much Melee cards as able. But here's the catch, opponents will expect and counter this strategy by deploying damage debuff such as Demoralize.

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Battle Challenge : BATTLE MAGE SECRETS : WHAT DOESN'T KILL YOU RULESET

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— Kid Miniatures (@kid_miniatures) October 16, 2023