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KYdAQ TIL that one of the rarest Yu-Gi-Oh cards in existence is Tyler the Great Warrior. It was created by Tyler Gressle, a boy that had a rare form of liver cancer. He got to create his own card through Make-A-Wish Foundation and they printed one card just for him. He made a full recovery.
jNGeQ TIL This Yu-Gi-Oh! card references the idea of "Absolute 0", which is 0 Kelvin. At such a low temperature life cannot exist, which is why the ability of the card is to destroy all monsters your opponent controls when it leaves the field
v1mBr TIL- There are 15 cards in the Yu-Gi-Oh Official/Trading Card Game that were designed by fans. Through several drawing contests 15 designs were picked as winners and turned into official cards in the OCG/TCG, sold in Booster Packs, and are tournament legal.