Cheapest priced copy (Marvel Super Heroes Commander): $0.79 at Card Kingdom, near mint, their price list as of .
Gift of Immortality 
Enchantment — Aura · Rare · Theros · #14
Enchant creature
When enchanted creature dies, return that card to the battlefield under its owner's control. Return this card to the battlefield attached to that creature at the beginning of the next end step.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.79 to $16.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Marvel Super Heroes Commander | 134 | Rare | $0.79 | $0.79 |
| Marvel Super Heroes Commander | 306 | Rare | $2.29 | — |
| Secrets of Strixhaven Commander | 147 | Rare | $0.79 | — |
| Theros | 14 | Rare | $0.99 | $16.99 |
2 rulings from Wizards of the Coast
- 15 September 2013If the enchanted creature is a token, neither it nor Gift of Immortality will return to the battlefield.
- 15 September 2013If the creature is no longer on the battlefield at the beginning of the next end step after it's returned to the battlefield, Gift of Immortality will remain in its owner's graveyard.