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Yu-Gi-Oh!

Official Konami COSSY

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Official Konami COSSY
BLACKWING1993Added by BLACKWING1993

The Yu-Gi-Oh! COSSY is for ranking players skills in the Yu-Gi-Oh! Trading Card Game. It is short for Card Game Official Tournament Support System.

It ranks players all around the world by points and tells them where they stand in comparison to other players, in both global and national rankings.

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