Tournament rule 702.6.b.1
If the additional runes have been used to pay for actions, rewind if possible. If rewinding is not possible, this is a General Error instead. See 702.15 for more information about General Errors.
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If the additional runes have been used to pay for actions, rewind if possible. If rewinding is not possible, this is a General Error instead. See 702.15 for more information about General Errors.