Staryu

Staryu (30/108), the Common from Evolutions, has an estimated ungraded market price of about under $1. Note: 25 other cards named Staryu exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Staryu (30/108), the Common (about under $1) from Evolutions.

The other versions: #104/144 from Skyridge (Common, about $36–$47); #103/144 from Skyridge (Common, about $35–$45); #75/101 from Hidden Legends (Common, about $22–$29); #77/107 from Deoxys (Common, about $21–$28); #122/146 from Legends Awakened (Common, about $15–$20); #85/113 from Delta Species (Common, about $13–$18); #84/123 from HeartGold SoulSilver (Common, about $12–$16); #84/113 from Delta Species (Common, about $10–$14); #118/91 from Paldean Fates (Shiny rare, about $6–$8); #56/64 from Neo Revelation (Common, about $2–$3); #83/111 from Rising Rivals (Common, about $2–$3); #23/99 from Next Destinies (Common, about $0.90–$1); #32/160 from Primal Clash (Common, about $0.70–$1); #65/102 from Base Set (Common, about under $1); #33/146 from XY (Common, about under $1); #25/122 from BREAKpoint (Common, about under $1); #29/162 from BREAKthrough (Common, about under $1); #95/130 from Base Set 2 (Common, about under $1); #15/111 from Crimson Invasion (Common, about under $1); #030/172 from Brilliant Stars (Common, about under $1); #28/181 from Team Up (Common, about under $1); #13/68 from Hidden Fates (Common, about under $1); #020/88 from Perfect Order (Common, about under $1); #120/165 from 151 (Common, about under $1); #52/264 from Fusion Strike (Common, about under $1).

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