Cheapest priced copy (Eternal Masters): $0.35 at Card Kingdom, near mint, their price list as of .
Stupefying Touch 
Enchantment — Aura · Common · Eternal Masters · #74
Enchant creature
When this Aura enters, draw a card.
Enchanted creature's activated abilities can't be activated.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
3 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eternal Masters | 74 | Common | $0.35 | $0.49 |
| Torment | 48 | Uncommon | $0.35 | $0.99 |
| World Championship Decks 2003 | dh48sb | Uncommon | $0.35 | — |
2 rulings from Wizards of the Coast
- 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.
- 8 June 2016Unlike many similar abilities, Stupefying Touch's last ability stops mana abilities from being activated.