Cheapest priced copy (Shadows over Innistrad): $0.59 at Card Kingdom, near mint, their price list as of .
Hermit of the Natterknolls // Lone Wolf of the Natterknolls 
Creature — Human Werewolf // Creature — Werewolf · 2/3 · Uncommon · Shadows over Innistrad · #209
Whenever an opponent casts a spell during your turn, draw a card.
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.
Whenever an opponent casts a spell during your turn, draw two cards.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.59 to $3.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Shadows over Innistrad | 209 | Uncommon | $0.59 | $3.99 |
6 rulings from Wizards of the Coast
- 8 April 2016The first ability of Lone Wolf of the Natterknolls will resolve even if the spell your opponent casts is countered.
- 8 April 2016You may cast spells or activate abilities after the first ability of Hermit of the Natterknolls has resolved but before the spell that caused it to trigger has resolved.
- 8 April 2016The abilities that transform a Werewolf back and forth look at the entire previous turn, even if the Werewolf with that ability wasn't on the battlefield for some or all of that turn.
- 8 April 2016To trigger the Werewolf's back face's transform ability, a single player must have cast two or more spells during the previous turn. If multiple players each cast just one spell during the previous turn, the ability won't trigger.
- 8 April 2016You may cast spells or activate abilities after the first ability of Lone Wolf of the Natterknolls has resolved but before the spell that caused it to trigger has resolved.
- 8 April 2016The first ability of Hermit of the Natterknolls will resolve even if the spell your opponent casts is countered.