Cheapest priced copy (The Brothers' War): $1.29 at Card Kingdom, near mint, their price list as of .
Gaea's Gift 
Instant · Common · The Brothers' War · #182
Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $1.29 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Brothers' War | 182 | Common | $1.29 | $1.99 |
| The List | BRO-182 | Common | $1.29 | — |