Cheapest priced copy (Battlebond): $0.35 at Card Kingdom, near mint, their price list as of .
Grotesque Mutation 
Instant · Common · Shadows over Innistrad · #115
Target creature gets +3/+1 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
4 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battlebond | 145 | Common | $0.35 | $0.49 |
| Jumpstart 2022 | 425 | Common | $0.35 | — |
| The List | BBD-145 | Common | $0.35 | — |
| Shadows over Innistrad | 115 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 8 April 2016Multiple instances of lifelink on the same creature are redundant.