Lambholt Pacifist
Lambholt Pacifist can't attack unless you control a creature with power 4 or greater.
At the beginning of each upkeep, if no spells were cast last turn, transform Lambholt Pacifist.
Lambholt Butcher
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Lambholt Butcher.