Cheapest priced copy (Iconic Masters): $0.35 at Card Kingdom, near mint, their price list as of .
Festering Newt 
Creature — Salamander · 1/1 · Common · Magic 2014 · #98
When this creature dies, target creature an opponent controls gets -1/-1 until end of turn. That creature gets -4/-4 instead if you control a creature named Bogbrew Witch.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
4 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Iconic Masters | 90 | Common | $0.35 | $0.49 |
| Jumpstart | 234 | Common | $0.35 | — |
| Magic 2014 | 98 | Common | $0.35 | $0.49 |
| The List | IMA-90 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 17 November 2017Whether you control a creature named Bogbrew Witch is checked only as the triggered ability resolves. How the target creature is affected won’t change if you gain or lose control of all your Bogbrew Witches later in the turn.