Cheapest priced copy (Tales of Middle-earth Commander): $7.99 at Card Kingdom, near mint, their price list as of .
Asceticism 
Enchantment · Rare · Scars of Mirrodin · #110
Creatures you control have hexproof.
{1}{G}: Regenerate target creature. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $7.99 to $39.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tales of Middle-earth Commander | 233 | Rare | $7.99 | — |
| The List | SOM-110 | Rare | $9.49 | — |
| Scars of Mirrodin | 110 | Rare | $9.99 | $39.99 |
One ruling from Wizards of the Coast
- 1 January 2011You may target any creature with the regeneration ability, not just one you control.