Sudden Storm
spell
[Hidden] (Hide now for rune rainbow to react with later for energy 0.) [Action] (Play on your turn or in showdowns.) Deal 2 to a unit at a battlefield. If it's attacking, deal 4 to it instead.
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spell
[Hidden] (Hide now for rune rainbow to react with later for energy 0.) [Action] (Play on your turn or in showdowns.) Deal 2 to a unit at a battlefield. If it's attacking, deal 4 to it instead.