Battles of Legend: Monstrous Revenge introduces 52 new cards plus a bunch of returning favorites! The monstrous denizens of this 100+ card booster set also includes Extox Hydra, which can weaken your opponent's monsters from the Extra Deck categories and draws you a card for every thousand battle damage it inflicts! You can also beef up your Extra Deck with the new Tri-Edge Master Synchro Monster, the Xyz/Pendulum Daidaratant the Ooze Giant, and many more. Battles of Legend: Monstrous Revenge is also the first booster set for the Yu-Gi-Oh! TRADING CARD GAME to celebrate its 25th Anniversary with Quarter Century Secret Rares! You can find Quarter Century Secret Rare versions of new cards like Armed Neos and Assault Synchron, but also for iconic cards from the game's history like Dark Armed Dragon, Dante, Traveler of the Burning Abyss, and a new alternate-art Sky Striker Mobilize - Engage!