Cheapest priced copy (Duel Decks: Izzet vs. Golgari): $0.35 at Card Kingdom, near mint, their price list as of .
Brain Weevil 
Creature — Insect · 1/1 · Common · Duel Decks: Izzet vs. Golgari · #58
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Sacrifice this creature: Target player discards two cards. Activate only as a sorcery.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Izzet vs. Golgari | 58 | Common | $0.35 | — |
| Innistrad | 91 | Common | $0.35 | $0.49 |
| The List | DDJ-58 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 15 April 2013If you cast this as normal during your main phase, it will enter the battlefield and you’ll receive priority. If no abilities trigger because of this, you can activate its ability immediately, before any other player has a chance to remove it from the battlefield.