Cheapest priced copy (Tarkir: Dragonstorm): $0.35 at Card Kingdom, near mint, their price list as of .
Kheru Goldkeeper 
Creature — Dragon · 3/3 · Uncommon · Tarkir: Dragonstorm · #199
Flying
Whenever one or more cards leave your graveyard during your turn, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Renew — {2}{B}{G}{U}, Exile this card from your graveyard: Put two +1/+1 counters and a flying counter on target creature. Activate only as a sorcery.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tarkir: Dragonstorm | 199 | Uncommon | $0.35 | $0.49 |
| Tarkir: Dragonstorm | 313 | Uncommon | $0.99 | $0.49 |
2 rulings from Wizards of the Coast
- 4 April 2025If multiple cards leave your graveyard at the same time, Kheru Goldkeeper’s triggered ability will trigger only once.
- 4 April 2025If a card with a renew ability is put into your graveyard during your turn, you can activate that ability if it’s legal to do so before any other player can take any actions.