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At long last, it's time for e to report the final bits of data to disprove clumping.
After 57 opening draws, I have determined that there is only a 33% chance that there won't be any duplicate cards in my hand, but the chance of there being one duplicate is all the way at 38%. However, when I remove Fire Energy from the picture since it makes up 17% of the deck, I found that the odds of my hand having no duplicates is 51% and that there is only a 12% chance that I'll have two cards that are duplicates.
As for clump sizes, the most likely outcome is a clump of 2 cards, but when I removed the Fire Energies I found that out of the 7 draws, no one of them had a clump of more that 2.
These numbers should go up along with the number of duplicate cards in the deck, so it is only natural that NM players suffer from this more. However, it is simply a product of them having so many sets of 4 in their decks and not the fault of the game.
In short, anyone who talks about clumping as a problem is wrong.