Cheapest priced copy (Tenth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Twitch 
Instant · Common · Tempest · #99
You may tap or untap target artifact, creature, or land.
Draw a card.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tenth Edition | 121 | Common | $0.35 | $2.99 |
| Tempest | 99 | Common | $0.35 | — |
| Worldwake | 43 | Common | $0.35 | $0.99 |
One ruling from Wizards of the Coast
- 1 March 2010If the targeted permanent is an illegal target by the time Twitch resolves, the entire spell doesn’t resolve. You don’t draw a card.