Cheapest priced copy (Shards of Alara): $0.99 at Card Kingdom, near mint, their price list as of .
Keeper of Progenitus 
Creature — Elf Druid · 1/3 · Rare · Shards of Alara · #135
Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.99 to $4.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Shards of Alara | 135 | Rare | $0.99 | $4.49 |