Its only legal in Vintage, Legacy, and Commander, but not in Modern, which means well probably never know how it would hold up against some of the others
In other words, gold Pokemon cards are real, but this is only true for specific cards printed in some sets
So what's weird about it
The number to the right of the slash is the creature's toughness

Site Header ShopCreate a videoAI Video daspdiego on DeviantArt Deviation Actions Legacy of Destruction JP - Card Gallery By Published: Description From Yugipedia LEDE-JP000 "Magicians of Bonds and Unity" LEDE-JP001 "Geas Gandora the Dragon of Destruction" LEDE-JP002 "Silent Swordsman Zero" LEDE-JP003 "Silent Magician Zero" LEDE-JP004 "Tricolore Gadget" LEDE-JP005 "Mashimarshmallon" LEDE-JP006 "Ancient Gear Dark Golem" LEDE-JP007 "Ancient Gear Tanker" LEDE-JP008 "Ancient Gear Commander" LEDE-JP009 "Refrain the Melodious Songstress" LEDE-JP010 "Couplet the Melodious Songstress" LEDE-JP011 "Snake-Eyes Diabellstar" LEDE-JP012 "Diabellze of the Original Sin" LEDE-JP013 "Raika no Marikoube" LEDE-JP014 "Raika no Yahazu Kamikiri" LEDE-JP015 "Raika no Yoroi Tokage" LEDE-JP016 "Tenpai Dragon Baidora" LEDE-JP017 "Tenpai Dragon Fadora" LEDE-JP018 "Tenpai Dragon Zhongdora" LEDE-JP019 "Infernal Grave Squirmer" LEDE-JP020 "Gold Pride - Assassinator" LEDE-JP021 "Centur-Ion Gargoyle II" LEDE-JP022 "Selettrice Vaalmonica" LEDE-JP023 "Dragon of Lightsworn" LEDE-JP024 "Weiss, Lightsworn Archfiend" LEDE-JP025 "Wightsworn" LEDE-JP026 "Golgoil the Iron Giant Djinn" LEDE-JP027 "Crescent Dragon - Mikazukinoyaiba" LEDE-JP028 "Talons of Shurilane" LEDE-JP029 "Nightmare Apprentice" LEDE-JP030 "Dinovader Docus" LEDE-JP031 "Kyklos the Circular Fairy" LEDE-JP032 "Fishborg Harpooner" LEDE-JP033 "Freezing Fire" LEDE-JP034 "Saffira, Dragon Deity of the Voiceless Voice" LEDE-JP035 "Bacha the Melodious Maestra" LEDE-JP036 "Flowering Etoile the Melodious Grand Choir" LEDE-JP037 "Mementotlan Twin Dragon" LEDE-JP038 "Enlightenment Dragon" LEDE-JP039 "Sangen Risedragon Bident Dragion" LEDE-JP040 "Sangen Superdragon Transcend Dragion" LEDE-JP041 "Gold Pride - Annihilator" LEDE-JP042 "Centur-Ion Arkcoela" LEDE-JP043 "Minerva, Lightsworn Athena" LEDE-JP044 "Goblin Biker Grialle Trio" LEDE-JP045 "Decanelogue - Valdrath" LEDE-JP046 "Tantrum-Throwing Tyke" LEDE-JP047 "Raika no Musha Dokuro" LEDE-JP048 "Raika no Oogaminushi" LEDE-JP049 "Raika no Kusarigami" LEDE-JP050 "Raika no Daiouga" LEDE-JP051 "Gold Sarcophagus of Light" LEDE-JP052 "Turn Silence" LEDE-JP053 "Ties of Friendship" LEDE-JP054 "Silence Towards the Future" LEDE-JP055 "Ancient Gear Advance" LEDE-JP056 "Melodious Concerto" LEDE-JP057 "Battle of the Sinful Spoils" LEDE-JP058 "Raika Ryouran Kuruizaki" LEDE-JP059 "Brimming Sangen Manor" LEDE-JP060 "Sangen Kaimen" LEDE-JP061 "Nightmare Throne" LEDE-JP062 "Blessing of the Voiceless Voice" LEDE-JP063 "Mementotlan Fusion" LEDE-JP064 "Wake Up Centur-Ion!" LEDE-JP065 "Vaalmonica Invitare" LEDE-JP066 "Vaalmonica Disarmonia" LEDE-JP067 "Where There's a Will, There's a Way Out" LEDE-JP068 "Blink-Out" LEDE-JP069 "Metaltronios" LEDE-JP070 "One by One We Walk, Frosty Forest Frolicking, Treading in the Tracks" LEDE-JP071 "Stronghold the Hidden Fortress" LEDE-JP072 "Ancient Gear Duel" LEDE-JP073 "Goblin Biker Pile-Up" LEDE-JP074 "Sinful Spoils Cycle" LEDE-JP075 "Sinful Spoils of Dozing - Morrighan" LEDE-JP076 "Raika Dairin Kubikarimai" LEDE-JP077 "Lightsworn Aegis" LEDE-JP078 "Mirage Force" LEDE-JP079 "Zoma the Earthbound Spirit" LEDE-JP080 "Equation System Cannon" is a Core Booster in the Yu-Gi-Oh

You can play these like normal fogs