Cheapest priced copy (Magic Player Rewards 2007): $2.49 at Card Kingdom, near mint, their price list as of .
Psionic Blast 
Instant · Uncommon · 30th Anniversary Edition · #74
Psionic Blast deals 4 damage to any target and 2 damage to you.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
9 printings · $2.49 to $599.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Unlimited Edition | 75 | Uncommon | $84.99 | — |
| 30th Anniversary Edition | 74 | Uncommon | $2.99 | — |
| 30th Anniversary Edition | 371 | Uncommon | $79.99 | — |
| Collectors' Edition | 75 | Uncommon | $37.99 | — |
| Intl. Collectors' Edition | 75 | Uncommon | $49.99 | — |
| Limited Edition Alpha | 74 | Uncommon | $599.99 | — |
| Limited Edition Beta | 75 | Uncommon | $279.99 | — |
| Magic Player Rewards 2007 | 4 | Rare | $2.49 | — |
| Time Spiral Timeshifted | 30 | Special | $4.99 | $13.99 |