Cheapest priced copy (Born of the Gods): $0.35 at Card Kingdom, near mint, their price list as of .
Mortal's Ardor 
Instant · Common · Born of the Gods · #20
Target creature gets +1/+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
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Born of the Gods | 20 | Common | $0.35 | $0.49 |
| Duel Decks: Elspeth vs. Kiora | 19 | Common | $0.35 | — |
| The List | DDO-19 | Common | $0.35 | — |