Cheapest priced copy (Fourth Edition): $0.39 at Card Kingdom, near mint, their price list as of .
Energy Tap 
Sorcery · Common · Renaissance · #28
Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
4 printings · $0.39 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fourth Edition Foreign Black Border | 69 | Common | — | — |
| Fourth Edition | 69 | Common | $0.39 | — |
| Legends | 54 | Common | $2.49 | — |
| Renaissance | 28 | Common | — | — |