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Fanfic / One Card Short of a Full Deck

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A boy opens a booster pack. The world changes.

One Card Short of a Full Deck is a crossover fanfic between The DCU (with a particular focus on Young Justice (2010)) and Yu-Gi-Oh! by Stewart92.

A young man from Gotham named Roger Klein discovers that he can see strange cards which allow him to summon creatures from other worlds.

It can also be read here.

Now has a character page under construction.

One Card Short of a Full Deck contains examples of the following tropes:

  • Absurdly High-Stakes Game: Shadow Games are these, wherein the loser can lose something important, like their soul. It also doesn't have to be played with Duel Monsters. Ra's al Ghul lost his soul in a sword duel.
  • Achievements in Ignorance: Aster is able to give Superman good advice on how to interact with Superboy, despite not knowing what problem he has with Superboy, or even the fact that Superboy is Superman's clone.
  • Alternate Universe: Seems to be one to one of the authors other works, The One Ring, as one of that quest's main characters, Samuel Derricks, is one of the characters here.
  • Anime Hair: Roger finds that his hair has changed shape and color in Chapter 25.
    I paused as something vividly red swung past my face and I grabbed the offending strip of hair and stared at it.
    The tuft of hair was the one that had burned badly in the Ace Chemical spill and now it seemed to float upwards, spiking up if left alone like a horn.
    I ran to the bathroom and stared in horror as under my normal hair, new roots of blue and green were seeping in.
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  • The Apprentice: Roger becomes one to Giovanni Zatara. He later also becomes one to Captain Marvel after the Egyptian pantheon shows interest in him.
  • Arbitrary Skepticism: As in canon, Kid Flash doesn't believe in magic. This causes some friction when he meets Aster.
  • An Arm and a Leg: Aster loses his right arm after it turns into ash and crumbles away as a result of summoning the Right Arm of the Forbidden One.
  • Artificial Limbs: Roger gets one to replace the one he lost from summoning the Right Arm of the Forbidden One.
  • Bad with the Bone: After getting infected by KV-DV, getting cured, and then ingesting another serum made by a Pestilence controlled Robin before being cured again by a Shadow Game, Kid Flash now has bone blades coming out of his arms and legs.
  • Backstory: Given to a number of Roger's duel spirits. Such as Dark Witch actually being a Norse valkyrie and the Raging Flame Sprite being part of a living weapons project by Thestalos the Firestorm Monarch.
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  • Bag of Holding: Roger turns one of Zatara's top hats into this by using Level Up! on it.
  • Bait-and-Switch: When Kid Flash expresses his disbelief in magic, it seems like Aster will start an argument with the speedster. Instead, Aster just says that he doesn't know if what he has can be explained by science or really magic and that it doesn't matter to him; what matters is what he can do with it, like the fact that he was able to use it to save his mother's life.
  • Blatant Lies: Captain Marvel gives one when asked to explain how he was able to avoid infection from the KV-DV.
    Green Arrow: So, Kid is now a Speed-bruiser and Robin got KAF-finated. How did you get out of the virus range, Marvel?
    Batman: It’s not importan-.
    Captain Marvel: (seriously and confidently) I turned into a swan and flew away, the virus didn’t target me
    Flash: (bewildered) How... did you turn into a swan?
    Captain Marvel: Power of Zeus.
    Green Arrow: ...That checks out.
  • Bratty Teenage Daughter: Zatanna is a downplayed example. She mostly acts this way due to envy of Aster.
  • Character Development: As a result of interacting with Roger, Robin matures much faster than in canon.
  • Confusion Fu: Anyone who fights Roger won't be able to predict what he'll summon against them.
  • Cool Versus Awesome: Duel Monster summons versus supervillains. Such as a valkyrie taking on a martial-artist assassin.
  • Cruel to Be Kind: Batman decides to not have a healer on hand for the Team. His reasoning is actually to keep the relationship between the Team and Aster healthy.
    The Shadow Team would not be relying on available healers to cover for their mistakes. Roger Klein was not going to be their personal doctor and let them make stupid moves.
    They didn’t need that safety blanket and Roger didn’t need the guilt that came with only seeing his friends when they were dying.
    No one did.
  • Disappeared Dad: Roger's father isn't around. It's later explained that he was a soldier who was killed in action.
  • The Dreaded: Aster is building up a reputation in the magic side of Gotham. They call him the monster prince, the teen who uses magic and monsters to enact the will of Giovanni Zatara
  • Empty Shell: Ra's al Ghul is revealed to have been reduced to a soulless husk after losing a Shadow Game.
  • Evil Versus Evil: Based on Wire's statements, his master is opposing the Light.
  • Futureshadowing: Some of the cards created from others can do this, such as with versions of Nightwing and Oracle.
  • The Fair Folk: Suffice to say, the first few faeries Roger summons reach varying degrees of crazy. Case in point, one of the Dancing Fairies being crazy and Pixie Knight being a knife-happy nutjob.
  • The Gadfly: Robin enjoys surprising or unnerving people, to Roger's chagrin. Sanngriðr also loves to mock Roger whenever she gets the chance.
  • Green-Eyed Monster: Zatanna is jealous of the fact that her father is teaching Aster and letting him fight bad guys while she still has a curfew.
  • Giant Enemy Crab: The result of Roger somehow evolving the powers of Turtle Oath and calling forth an original monster. Said monster being Karkinos, a giant crab wielding cosmic powers. No you did not misread that.
  • Headbutting Heroes: Aster and Kid Flash do not get along with each other.
  • Healing Factor: Robin gets one after drinking a serum made from Kid Flash's blood to help purge Pestilence out of his body.
  • Helping Hands: Manju of the Ten Thousand Hands is made up of hands that can combine together to form different shapes, such as chairs or horses, for Aster to use.
  • Heroic Build: After the Shadow Game against Pestilence, Kid Flash finds that he's become much more muscular.
  • The Medic: Batman averts this with the Team by preventing Aster from acting as this, for the good of both the young man and the members of the Team.
  • Mind Control: Strings does this to Wire, who himself then controls others.
  • My Significance Sense Is Tingling: Several people attuned to either Order or Chaos are able to sense Roger summoning Chaos Sorcerer.
  • Mythology Gag: The names that Roger can see on the cards are their international names. It's revealed however, that the Japanese names are the ones that are more accurate to who they are.
  • Non-Indicative Name: Roger uses Aster as his Code Name, but it doesn't really have anything to do with how his powers work or his backstory, essentially just picking it on a whim.
  • Our Monsters Are Different: Roger is confused by how monster types work for Duel Spirits.
    I gave up, these monster types made no sense. Demons were Warriors, fairies were angels, and robots were also angels.
  • Our Zombies Are Different: After Zatanna tests the first Zombie type monster that Aster summons, they find that Zombie types count as sort of undead when it comes to magic.
  • Place of Power: Roger discovers in Chapter 24 that he is able to draw power from Gotham itself.
  • Power at a Price: Roger learns early on that some cards require LP, or Life Points, to be used. The process is painful and leaves him weakened momentarily.
  • Power Incontinence: Roger gets his monsters, spells, and traps from card packs. He's given a choice after he selects a pack, but he can't choose what those choices will be in the first place.
  • Pragmatic Villainy: Although the League of Shadows knows who Aster is, they won't go after him while in his public identity because that will just draw more aggression from the Justice League.
  • Random Events Plot: Due to the fact that what Roger can get is entirely up to chance, it's hard, if not impossible, to predict what will happen in the story.
  • Red Baron: Unbeknownst to Aster, the magical community of Gotham has been calling him the monster prince.
  • Refuge in Audacity: When asked how he was able to avoid being infected by the KV-DV, Captain Marvel says that he just turned into a swan using the Power of Zeus.
  • Screw the Rules, I'm Doing What's Right!: Captain Marvel and Green Arrow act as emergency backup for the Team. However, if they do get involved and their presence becomes known, then they'll need to resign from the Justice League so that it doesn't get caught up in an international incident.
  • Summon Magic: This is most of what Roger can do. As such, he'll be the weak point that others will target when fighting him.
  • Surprisingly Realistic Outcome: In Roger's first real fight without being altered by his power, he's completely out of his depth and requires the help of his monsters to survive, and even then it was close due to him being poisoned.
  • Toon Physics: Roger temporarily gains this after he activates Toon World.
  • Tsundere: Sanngriðr loves to tease Roger, but it's clear that she cares for him.
  • Unexpected Character: invoked One of the people controlling civlians and looking for Roger turns out to be Strings, a minor antagonist from Yu-Gi-Oh!.
  • Valkyries: One of Roger's summons, Sanngriðr, is one.
  • Wham Shot:
    • Another person with access to Duel Spirits is in Gotham and looking for Roger.
    • Ra's al Ghul is in intensive care with his soul removed. It's implied to be the result of a Shadow Game.
    • In exchange for Roger's help in defeating Black Adam, Thoth offers replica Millennium Items. Sanngriðr is shocked to see them, which clues Roger in to how important/dangerous the offer is.