If you make a fully tricked-out Goblin deck that uses no Game Changers, it's probably not a Core deck despite technically meeting the deck-building rules
Berserk and Essence Harvest work very well here, too
BPhillipYork: This is fine, I guess, slow for a big payoff, not really impactful enough for Commander, though I think just using the front side to generate clues is decent
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