Creature — Werewolf 2/2 (Color Indicator: Green)
Rare
{3}{G}: Krallenhorde Killer gets +4/+4 until end of turn. Activate this ability only once each turn.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Killer.
Illus. Zoltan Boros

1/22/2011: You 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.
1/22/2011: If 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.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Extended (Type 1.X)
Legal in Standard (Type 2)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern