Cheapest priced copy (Return to Ravnica): $0.35 at Card Kingdom, near mint, their price list as of .
Voidwielder 
Creature — Human Wizard · 1/4 · Common · Return to Ravnica · #56
When this creature enters, you may return target creature to its owner's hand.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Return to Ravnica | 56 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 October 2012If Voidwielder is the only creature on the battlefield, you’ll have to choose it as the target of its ability, although you may choose to not return it to its owner’s hand.