Sure, you've got your "all other [creature type] get +1/+1" baseline, but going back to Lord of Atlantis in the beginning of the game the coolest lords were always the ones that granted a unique tribal effect, and that's especially true when it's something that leans into their unique identity as opposed to something generic like first strike of hexproof ala Drogskol Captain - something like Rage Forger has always been a more interesting design
Like most Magic: The Gathering cards, the value of Geralf's Masterpiece depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Shadows over Innistrad)
Even though I think prize checking would be beneficial for the game, I really wish the games balance would change
Mystery pack collectors
It is one of the most powerful Pokemon in the video games, and the same goes for the card game
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