Yu-Gi-Oh! - Caius the Mega Monarch (MP15-EN215) - Mega Pack 2015 - 1st Edition - Ultra Rare A single individual card from the Yu-Gi-Oh! trading and collectible card game (TCG/CCG). This is of Ultra Rare rarity. From the Mega Pack 2015 set. You will receive the 1st Edition version of this card.