Yuma Tsukumo ' s Decks Yuma Tsukumo ' s Deck is a Deck given to him by his father in the " Yu - Gi - Oh ! ZEXAL " anime . His monsters have repetitive names like " Gagaga " and " Gogogo " and their effects often assist in Xyz Summon ing . In the beginning of the series , Yuma ' s Deck was very basic containing a random assortment of monsters with no central strategy tying them together . However , as he gathers the " Number s , " Yuma ' s Deck slowly matures , especially after he receives cards from the Duel Sanctuary . Yuma ' s primary strategy is the Summoning of his ace card , " " , which has a number of upgraded forms as well . He powers up this monster in a variety of ways , such as with " Double or Nothing ! " or evolving it through Chaos Xyz Evolution and later , " Rank - Up - Magic " cards . Yuma occasionally uses other " Numbers " , but " Utopia " remains his ace card throughout the series . His Spell Card s tend to focus on augmenting the ATK and effects of his monsters , while his Trap Card s like " Half Unbreak " and " Damage Diet " are usually more defensive in nature . As his opponents use Xyz Monsters themselves , Yuma plays a number of cards to specifically counter this as well , such as " Rainbow Kuriboh " and " Overlay Owl " . When Yuma ' s opponent is not wielding a " Number " or " Chaos Xyz " card themselves , Yuma often refrains from using his " Numbers " . but is willing to Summon " Utopia " if the opponent demands it . In such situations , the " Djinn " Xyz Monsters or " Heroic Champion - Excalibur " are often his go - to choices . Anime . Yu - Gi - Oh ! ZEXAL . Pre - World Duel Carnival . First Syllable . Yuma originally uses a Number / Syllable Deck . It is supported with a lot of ATK increasing cards such as " Wonder Wand " and Trap Card s which protect his monsters from destruction such as " Bye Bye Damage " . It contains some support for his " Gagaga " monsters later on . This Deck was later replaced by a new version after Yuma received a large amount of new cards from Roku when he defeated Kaze and protected the Duel Sanctuary . Wooden Training Deck . In order to improve his skills , Yuma Dueled Roku in a Statue Duel . He used a Wooden Training Deck consisting of " Statue " versions of " Dark Magician " monsters and other wooden cards from the latter ' s Duel Sanctuary card collection . Second Syllable . After saving the Duel Sanctuary , Roku gave Yuma the " Duel Sanctuary Legendary Deck " , stating it is appropriate for him . Bronk Stone believes Yuma can improve his Deck with this one for the World Duel Carnival . Yuma combined this secret Deck with his first one . He has also started adding Xyz anti - support cards to help fight against the " Numbers " and other Xyz Monsters . The Deck also appears to support Yuma ' s Syllable archetype s more such as the " Gagaga " and " Gogogo " archetypes . World Duel Carnival Preliminaries . For the World Duel Carnival , Yuma further modified his Deck for the competition that he was about to face . This includes a large array of anti - Xyz cards such as " Overlay Owl " and " Muzurhythm the String Djinn " as Xyz Monsters are popular within the tournament as well as to collect the " Number " archetype easily . Like before , he largely relies on his " Syllable " archetypes such as " Gagaga " and " Gogogo " , sporting new support and members for them alike such as " Chachaka Archer " and " Zubaba Buster " . In addition , Yuma has also added in a large amount of Card Advantage cards and monsters with effects that can be activated from the Graveyard or hand , such as " Tasuke Knight " and " Damage Mage " respectively . He reserves his ace card , " " and its upgraded form " " for intense Duels against other Number holder s . World Duel Carnival Finals . In the finals of the World Duel Carnival , Yuma debuts more non - " Number " Xyz Monsters , " One - Eyed Skill Gainer " and " Gagaga Cowboy " . His WDC profile lists his Deck ' s name as " Xyz One Turn Kill " as he heavily focuses on using Xyz Monsters and normally wipes out of his opponent ' s remaining Life Points in the final turn . In Duels with particularly dangerous " Number " holders , he relies heavily on augmenting his " " with the abilities of his " ZW - " monsters through the power of ZEXAL . Yu - Gi - Oh ! ZEXAL II . Barian Invasion . Yuma continues to use a Syllable Deck , debuting new " Gagaga " , " Gogogo " and " Dododo " monsters , which he primarily uses to Summon " " in various ways . He supports the cards with Spell and Trap Cards both new and old , including more Counter Trap Card s . He later modifies this Deck before entering the Friendship Games hosted at his school . He also makes more use of the vast quantity of " Number " cards that he has at his disposal , though he still favors " " . After teaming up with Ray Shadows to defeat the Barian s , Yuma received a few cards of Barian origin to augment his Deck . This includes " Limited Barian ' s Force " which has the ability to upgrade his ace monster " " into " " , as well as " V " archetype to the new form of " Utopia " However in reality , Vector , while posing as Ray , gave these cards to Yuma in order to gain an advantage in a Duel against him through cards such as " Vain Betrayer " and " Barian Explosion " . After fusing with Astral to form ZEXAL II , Yuma used Shining Evolution to transform " Limited Barian ' s Force " into " Numeron Force " , which has the ability to upgrade " Number 39 : Utopia " into " " . Mythyrian Numbers War . Yuma debuts more support for his Xyz Monsters and procures " Rank - Down - Magic Numeron Fall " which he can use to downgrade " Number 39 : Utopia " into " " . During his Duel with Mr . Heartland , Yuma gained the ability to create " ZS - " monsters . Unlike " ZW - " monsters , these monsters do not function as Equip Card s Barian Emperor Onslaught . With the Numbers . Yuma ' s Deck still focuses on Summoning " Number 39 : Utopia " , but is flexible enough to support Summoning different " Numbers " , such as " " and " " . After acquiring the card from Eliphas , he uses " Rank - Up - Magic Astral Force " to Rank - Up " Utopia " into " " . Without the Numbers . After defeating Nash , Astral obtained all 100 " Numbers . " As he and Yuma were Dueling over the fate of Barian World , Astral naturally decided to keep the " Numbers " to himself during their Duel . Thus , Yuma modified his Deck before the Duel . The Deck focuses on " Gagaga " monsters and support . During the Duel , he would later get a new Ace Monster called " " . Aim For Number 1 in the World ! In the " Aim For Number 1 in the World ! " non - canon episode , his Deck appears similar to his usual anime Deck , including " Number " monsters . He also Dueled Astral in an explanation Duel at the beginning of the special .