Cheapest priced copy (Marvel Super Heroes): $0.35 at Card Kingdom, near mint, their price list as of .
Repulsor Blast 
Sorcery · Common · Marvel Super Heroes · #150
Teamwork 2 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 2 or more.)
Repulsor Blast deals 5 damage to target creature. If this spell was cast using teamwork, it also deals 2 damage to that creature's controller.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes | 150 | Common | $0.35 | $0.49 |