Cheapest priced copy (Return to Ravnica): $0.35 at Card Kingdom, near mint, their price list as of .
Fall of the Gavel 
Instant · Uncommon · Return to Ravnica · #161
Counter target spell. You gain 5 life.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Return to Ravnica | 161 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 1 October 2012You must be able to target a spell to cast Fall of the Gavel.
- 1 October 2012If the target spell is an illegal target when Fall of the Gavel tries to resolve (perhaps because it’s been countered by another spell), Fall of the Gavel won’t resolve and none of its effects will happen. You won’t gain 5 life.