how many cards can you have in a yugioh hand Speed Duel Beginner's Guide – Yu-Gi-Oh! Infinite Cards | Card Details

At one mana, you could play Hope Charm, Hundred-Talon Strike, or Seize the Initiative to grant a creature first strike (and often more) at instant speed

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So unless there is some pattern where similar cards appear to be rarer or more common, or the sample size is a lot larger, brute force wont deliver definitive answers (though it is still interesting of course)

Unfortunately I dont get to play it all that much, but you have a stack of cards that are planes like Innistrad or Ravnica

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