Wolfbitten Captive
Creature — Human Werewolf
: 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.
Krallenhorde Killer
Creature — Werewolf
: 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.
Zoltan Boros
Dark Ascension (DKA)
• #133Rulings
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.
(wotc • 2011-01-22)
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.
(wotc • 2011-01-22)
Rulings
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.
(wotc • 2011-01-22)
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.
(wotc • 2011-01-22)