Wolfbitten Captive

1G: Wolfbitten Captive gets +2/+2 until end of turn. Activate this ability only once each turn.
At the beginning of each upkeep, if no spells were cast last turn, transform Wolfbitten Captive.
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Krallenhorde Killer
3G: 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.
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