Shroomish

Shroomish (5/236), the Common from Unified Minds, has an estimated ungraded market price of about under $1. Note: 15 other cards named Shroomish exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Shroomish (5/236), the Common (about under $1) from Unified Minds.

The other versions: #72/107 from Deoxys (Common, about $26–$34); #63/106 from Emerald (Common, about $18–$24); #78/100 from Sandstorm (Common, about $8–$11); #69/109 from Ruby & Sapphire (Common, about $4–$6); #108/132 from Secret Wonders (Common, about $3–$4); #RC2/83 from Generations (Common, about $1–$2); #15/160 from Primal Clash (Common, about under $1); #127/147 from Supreme Victors (Common, about under $1); #6/111 from Furious Fists (Common, about under $1); #4/73 from Shining Legends (Common, about under $1); #4/264 from Fusion Strike (Common, about under $1); #003/172 from Brilliant Stars (Common, about under $1); #006/162 from Temporal Forces (Common, about under $1); #005/182 from Destined Rivals (Common, about under $1); #003/198 from Scarlet & Violet (Common, about under $1).

The collector number printed at the bottom of the card is the reliable way to tell them apart.