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The shop price*X to “build your own” disc, choosing mold, color, and attributes. This is functions as a means for players to have a straightforward way to acquire the exact disc they’ve been looking for. There is disagreement in the DGV Community over what “X” should be, ranging from 10x to 1x.
At least choose colour, when buying a disc. I normally choose from the available discs in the real world store, whichever one most contrasts with similar discs in my bag.
What about being able to take a disc in your collection and modify the mold color, stamp and stamp color? Minimal coin to change colors and going rate for a fancy stamp.