Bristly Bill, Spine Sower Price

Updated 2026-08-23

Bristly Bill, Spine Sower in Prerelease Cards format is the date-stamped foil version of a green mythic distributed at prerelease events before the card's commercial availability. Prerelease foils are bounded in supply by event attendance and never enter the standard booster supply, creating a consistent scarcity premium over the regular printing. The price data shows consistent negative pressure across all three windows, suggesting the card has been correcting from its prerelease peak toward a lower equilibrium. That pattern is common in prerelease mythics that priced at a premium on initial distribution and subsequently deflated as Commander players evaluated actual playability. Bristly Bill creates Spines and distributes counters when creatures receive them, an effect with Commander applications in proliferate and counters strategies. The long-term floor will depend on how actively those Commander archetypes adopt the card and whether any reprint vehicle introduces competing supply.