Cheapest priced copy (Eternal Masters): $0.35 at Card Kingdom, near mint, their price list as of .
Roots 
Enchantment — Aura · Uncommon · Homelands · #95
Enchant creature without flying
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eternal Masters | 183 | Common | $0.35 | $0.49 |
| Homelands | 95 | Uncommon | $0.35 | — |
| The List | EMA-183 | Common | $0.35 | — |