Cheapest priced copy (Champions of Kamigawa): $0.35 at Card Kingdom, near mint, their price list as of .
Squelch 
Instant · Uncommon · Champions of Kamigawa · #92
Counter target activated ability. (Mana abilities can't be targeted.)
Draw a card.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Champions of Kamigawa | 92 | Uncommon | $0.35 | $2.49 |
| The List | CHK-92 | Uncommon | — | — |
2 rulings from Wizards of the Coast
- 1 December 2004Squelch can’t target a mana ability because mana abilities don’t use the stack.
- 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.