Cheapest priced copy (Core Set 2019): $0.35 at Card Kingdom, near mint, their price list as of .
Abnormal Endurance 
Instant · Common · Core Set 2019 · #85
Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Core Set 2019 | 85 | Common | $0.35 | $0.99 |
One ruling from Wizards of the Coast
- 13 July 2018Abnormal Endurance's effect works only once. If the targeted creature dies and is then returned to the battlefield, it's considered to be a new creature. If that new creature dies, it won't come back.