Set: Magnificent Mavens Card Number: MAMA-EN032 Rarity: Ultra Rare Attribute: TRAP Card Text: If both players have 15 or more cards in their Graveyards: Pay 1000 LP; each player swaps the cards in their Graveyard with the cards in their Deck , then shuffles their Deck. You can only activate 1 "Exchange of the Spirit" per Duel. Card Type: Normal Trap Name: Exchange of the Spirit Edition: 1st