Cheapest priced copy (Commander Legends): $0.35 at Card Kingdom, near mint, their price list as of .
Undying Rage 
Enchantment — Aura · Common · Commander Legends · #205
Enchant creature
Enchanted creature gets +2/+2 and can't block.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
8 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Legends | 205 | Common | $0.35 | $0.49 |
| Duel Decks: Heroes vs. Monsters | 26 | Uncommon | $0.35 | — |
| Dominaria Remastered | 146 | Common | $0.35 | $0.49 |
| Eternal Masters | 152 | Common | $0.35 | $0.49 |
| The List | EMA-152 | Common | $0.35 | — |
| Salvat 2005 | I51 | Uncommon | — | — |
| Time Spiral | 184 | Uncommon | $0.35 | $0.49 |
| Ultimate Masters | 153 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 8 December 2022If the target creature is an illegal target by the time Undying Rage tries to resolve, it doesn't resolve. It's put into its owner's graveyard from the stack rather than from the battlefield, so its last ability won't trigger.