Cheapest priced copy (Coldsnap): $0.35 at Card Kingdom, near mint, their price list as of .
Gelid Shackles 
Snow Enchantment — Aura · Common · Coldsnap · #6
Enchant creature
Enchanted creature can't block, and its activated abilities can't be activated.
{S}: Enchanted creature gains defender until end of turn. ({S} can be paid with one mana from a snow source.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Coldsnap | 6 | Common | $0.35 | $1.49 |
2 rulings from Wizards of the Coast
- 15 July 2006Gelid Shackles doesn’t stop static abilities or triggered abilities from working. It also won’t prevent the creature from attacking unless the enchanted creature is given defender before attackers are declared.
- 8 June 2016Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keywords are activated abilities and will have colons in their reminder text.