Best Cards to Grade in the Promo Era
The 4 best Promo cards to grade across 1 set, ranked by PSA 10 ROI. Rainbow Energy leads at 5.9x ($10.09 raw vs $252.50 in PSA 10).
ROI is the PSA 10 price against the raw price plus grading cost and PSA's value-tier upcharge, from live market prices and PSA population data. Cards are ranked highest ROI first.
| Rank | Card | Raw | PSA 10 | Gem rate | PSA 10 pop | ROI |
|---|---|---|---|---|---|---|
| 1 | Rainbow Energy | $10.09 | $252.50 | 5.9x | ||
| 2 | Darkness Energy | $9.72 | $120.00 | 2.8x | ||
| 3 | Metal Energy | $6.28 | $90.39 | 2.3x | ||
| 4 | Energy Restore 140 | $4.16 | $72.32 | 60.3% | 82 | 1.9x |