Lambholt Pacifist // Lambholt Butcher (SOI-215) - Shadows over Innistrad: (Double Faced Transform)

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.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Lambholt Butcher.