Cheapest priced copy (Dark Ascension): $0.99 at Card Kingdom, near mint, their price list as of .
Wolfbitten Captive // Krallenhorde Killer 
Creature — Human Werewolf // Creature — Werewolf · 1/1 · Rare · Dark Ascension · #133
{1}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.
{3}{G}: This creature gets +4/+4 until end of turn. Activate only once each turn.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.99 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dark Ascension | 133 | Rare | $0.99 | $1.99 |
2 rulings from Wizards of the Coast
- 22 January 2011You can activate Wolfbitten Captive's ability, let it transform into Krallenhorde Killer, then activate Krallenhorde Killer's ability, all on the same turn, and vice versa.
- 22 January 2011If you activate one face's ability, and some effect causes the card to transform twice that turn, you won't be able to activate that face's ability again that turn.