Herald of Secret Streams Price

Updated 2026-10-07

Herald of Secret Streams is a Prerelease Cards rare distributed as an event-exclusive foil for players who attended the relevant prerelease, featuring the blue merfolk that grants unblockability to all creatures you control with a plus one plus one counter. The card is a Commander staple in merfolk, counter, and Simic-themed strategies that distribute counters broadly, making every creature on the board unblockable. Prerelease promos carry limited supply tied to organized play attendance, creating a collector premium over standard set versions. The 30-day price window shows roughly two percent appreciation, and the 90-day window registers roughly 12 percent gain, a sustained climb pointing to growing Commander demand combined with collector interest in the prerelease foil treatment. Merfolk tribal and counter strategies maintain consistent Commander representation. This is a stable premium collectible with genuine positive momentum driven by Commander demand and the fixed-supply prerelease treatment.