Once you have versed the duelist named Seeker, verse him again repeatedly in free duel. You will get Repeat Dice that you can sell. Seeker only plays the Exodia pieces, which are level three. You can summon low level monsters to reach his life points and defeat him quickly. Link to another Game Boy Advance with the game and two of all the expensive dice (for example, Exodia The Forbidden One, etc.). Trade them over, then when you win two copies of other expensive dice you can sell them and still win more by using Exodia.
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