Heliolisk

Heliolisk (177/167), the Illustration rare from Twilight Masquerade, has an estimated ungraded market price of about $5.25, typically in the $5–$6 range. Note: 14 other cards named Heliolisk exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Heliolisk (177/167), the Illustration rare (about $5–$6) from Twilight Masquerade.

The other versions: #229/217 from Ascended Heroes (Illustration rare, about $2–$3); #30/119 from Phantom Forces (Rare, about under $1); #37/106 from Flashfire (Rare, about under $1); #180/236 from Cosmic Eclipse (Rare, about under $1); #44/145 from Guardians Rising (Rare, about under $1); #50/181 from Team Up (Uncommon, about under $1); #38/131 from Forbidden Light (Uncommon, about under $1); #071/167 from Twilight Masquerade (Common, about under $1); #64/192 from Rebel Clash (Uncommon, about under $1); #155/191 from Surging Sparks (Common, about under $1); #050/159 from Crown Zenith (Rare, about under $1); #064/217 from Ascended Heroes (Uncommon, about under $1); #99/264 from Fusion Strike (Uncommon, about under $1); #053/132 from Mega Evolution (Common, about under $1).

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 43% PSA 10 gem rate and current graded prices, grading a near-mint Heliolisk (177/167) 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.

Heliolisk (177/167) is a Illustration rare. PSA has graded 650 copies to date, so graded supply is measurable and growing.

Of the 650 copies PSA has graded, 43% 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.