Seviper

Seviper (23/108), the Rare from Power Keepers, has an estimated ungraded market price of about $2.10, typically in the $2–$3 range. Note: 13 other cards named Seviper exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Seviper (23/108), the Rare (about $2–$3) from Power Keepers.

The other versions: #11/100 from Sandstorm (Holo Rare, about $29–$38); #20/106 from Emerald (Rare, about $2–$3); #32/110 from Holon Phantoms (Rare, about about $2); #52/106 from Great Encounters (Uncommon, about under $1); #61/127 from Platinum (Uncommon, about under $1); #51/95 from Call of Legends (Uncommon, about under $1); #116/196 from Lost Origin (Uncommon, about under $1); #50/147 from Burning Shadows (Uncommon, about under $1); #102/198 from Chilling Reign (Rare, about under $1); #062/94 from Phantasmal Flames (Uncommon, about under $1); #128/198 from Scarlet & Violet (Common, about under $1); #137/193 from Paldea Evolved (Uncommon, about under $1); #SV15/94 from Hidden Fates Shiny Vault (Shiny rare).

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

It's roughly a wash: with a 11% PSA 10 gem rate and current graded prices, grading a near-mint Seviper (23/108) is estimated to come out within about $10 of selling it raw (est.); grade for protection or display, not profit.

Assumes ~$25/card bulk-rate grading (standard service costs more); ignores turnaround time, sub-9 grades, and shipping. A screen, not a promise.

Seviper (23/108) is a Rare. PSA has graded 64 copies to date, so graded supply is measurable and growing.

Of the 64 copies PSA has graded, 11% earned a PSA 10. That's a low gem rate, so flawless copies are genuinely hard to come by. Grade-by-grade population and pop-over-time appear with Riffle premium.