Almost always one axis is dragging it down usually centering (Pokemon cards miss Gem Mint on centering more than any other factor) or a single soft corner invisible to the naked eye
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Playing this alongside some Mishras Bauble and other zero-mana spells in Jeskai Prowess strategies can create incredibly explosive board states
Voracious Fell BeastVoracious Fell Beast, Subjugate the HobbitsSubjugate the Hobbits, In the Darkness Bind ThemIn the Darkness Bind Them, Goblin Dark-DwellersGoblin Dark-Dwellers, Monstrosity of the LakeMonstrosity of the Lake, and Extract from DarknessExtract from Darkness were all fattening up the high end of the mana curve, while not providing enough support to the decks main themes
I thought it was too easy to see Coralhelm coming, turns out I played myself and missed big on this one