Cheapest priced copy (Gatecrash): $0.49 at Card Kingdom, near mint, their price list as of .
Holy Mantle 
Enchantment — Aura · Uncommon · Gatecrash · #17
Enchant creature
Enchanted creature gets +2/+2 and has protection from creatures.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.49 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Gatecrash | 17 | Uncommon | $0.49 | $2.99 |
One ruling from Wizards of the Coast
- 24 January 2013The enchanted creature can’t be blocked, it can’t be targeted by abilities of creatures or creature cards (like, notably, the scavenge ability), and all damage dealt to it by creatures or creature cards is prevented.