Cheapest priced copy (Fate Reforged): $0.35 at Card Kingdom, near mint, their price list as of .
Grim Contest 
Instant · Common · Fate Reforged · #153
Choose target creature you control and target creature an opponent controls. Each of those creatures deals damage equal to its toughness to the other.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fate Reforged | 153 | Common | $0.35 | $0.49 |
| The List | FRF-153 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 24 November 2014If either target is an illegal target as Grim Contest tries to resolve, neither creature will deal or be dealt damage.