Deck Leaders are unaffected by all card effects
The pokemon card display storage is a special-Ideal for displaying and preserving honored baseball, basketball, hockey,football, and other cards

Fabled Fire King Firewall Fishborg Flamvell Floowandereeze Flower Cardian Fluffal, Frightfur, Edge Imp Forbidden Fortune Lady Fossil Frog Fur Hire Fusion Fusion Monster G Gadget Gagaga Gaia the Fierce Knight Galaxy, Galaxy-Eyes Gate Guardian Geargia Gem-Knight Generaider Genex Ghostrick Ghoti Gimmick Puppet Gishki, Aquamirror Gladiator Beast Goblin g goblin rider tentative G Gogogo Gold Pride Golden Lord, Eldlich, Eldlixir Gorgonic Gouki Gravekeeper Guardian Guardragon Gunkan Suship Gusto H Harpie Hazy Flame h heart tentative H Hecatoncheires Herald Heraldic Beast HERO Heroic Challenger, Heroic Champion Hieratic Dragon, Hieratic Seal Holy confectioner tentative Horus tentative I Ice Barrier Icejade Igknight Impcantation Infernity Infernoid, Void Infinitrack Invoked Inzektor Iron Chain J Jinzo Junk Jurrac K Kaiju k kaimetu tentative K Karakuri Kashtira k kenran tentative K Killer Tune Koa'ki Meiru Kozmo Krawler Kuriboh L Labyrinth Wall Lady of Lament Laval Libromancer Lightray Lightsworn Link Monster Lunalight LV, Level Up

Using damaged outer sleeves: If an outer sleeve is already creased, it'll catch during shuffles and wear faster
Kozmoll Dark Lady was pretty scary though
Without having to get materials on the board to make it, the card also allowed you to go into other Synchro Monsters for a change of pace