Cheapest priced copy (Mercadian Masques): $0.35 at Card Kingdom, near mint, their price list as of .
Ley Line 
Enchantment · Uncommon · Mercadian Masques · #256
At the beginning of each player's upkeep, that player may put a +1/+1 counter on target creature of their choice.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mercadian Masques | 256 | Uncommon | $0.35 | $2.49 |