Thunderclap Price

Updated 2026-08-21

Thunderclap is a one-mana blue instant from Mercadian Masques that taps all attacking creatures. The card has re-emerged as a combo enabler in specific untap and tap-matters builds in Legacy and Commander. At $54.62, the card is up 8.48% over seven days, 13.51% over thirty, and an extraordinary 167.48% over ninety days. That exceptional ninety-day run is the signature of a sudden discovery event, likely a deck build, content coverage, or combo pairing that elevated the card from bulk-Common status to a $55 price point. The near-term question is whether underlying demand justifies the new price level or whether the card has reached peak capture following the discovery cycle. Buyers entering now are doing so after the bulk of the appreciation has already occurred. Sellers with inventory from lower basis levels are in an excellent position and should evaluate whether further appreciation is probable before liquidating.