702.9.b. Remedies: 702.9.b.1. If possible, perform a simple rewind to before the card or ability was put on the chain. 702.9.b.2. If a simple rewind is not possible, correct the cost paid if possible, by exhausting, or recycling runes as needed. 702.9.b.2.a. If runes were incorrectly recycled as part of the cost, rewind if possible. 702.9.b.3. If rewinding is not possible, instruct the players to continue playing.