Exchange of the Spirit (DPRP-EN035) - Duelist Pack: Rivals of the Pharaoh 1st Edition

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.