At the beginning of each upkeep, if no spells were cast last turn, transform this creature. // Whenever an opponent casts a spell, this creature deals 2 damage to that player.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

"Tovolar, my master. Gather the howlpack, for the Hunter's Moon is nigh and Thraben's walls grow weak."