Cheapest priced copy (Shards of Alara): $0.35 at Card Kingdom, near mint, their price list as of .
Grixis Charm 
Instant · Uncommon · Commander 2013 · #192
Choose one —
• Return target permanent to its owner's hand.
• Target creature gets -4/-4 until end of turn.
• Creatures you control get +2/+0 until end of turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Shards of Alara | 171 | Uncommon | $0.35 | $0.99 |
| Commander 2013 | 192 | Uncommon | $0.39 | — |
| Duel Decks: Ajani vs. Nicol Bolas | 63 | Uncommon | $0.39 | — |
3 rulings from Wizards of the Coast
- 1 October 2008While the spell is on the stack, treat it as though its only text is the chosen mode. The other two modes are treated as though they don’t exist. You don’t choose targets for those modes.
- 1 October 2008You can choose a mode only if you can choose legal targets for that mode. If you can’t choose legal targets for any of the modes, you can’t cast the spell.
- 1 October 2008If this spell is copied, the copy will have the same mode as the original.