Cheapest priced copy (Invasion): $10.99 at Card Kingdom, near mint, their price list as of .
Dueling Grounds 
Enchantment · Rare · Invasion · #245
No more than one creature can attack each combat.
No more than one creature can block each combat.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $10.99 to $64.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 245 | Rare | $10.99 | $64.99 |
| The Zeta Set | 89 | Rare | — | — |
| The Zeta Set | 210 | Rare | — | — |
| The Zeta Set | 331 | Rare | — | — |
One ruling from Wizards of the Coast
- 4 October 2004The ability affects all players.