Seller of Monsters

{1}, {t}: Create a red artifact token named Potion
with "Sacrifice Potion: Remove a -1/-1 counter
from target creature".
{2}, {t}: Create a 0/3 blue Tentacle creature token with Defender and "Sacrifice Tentacle: Target player
loses 1 life".
At the beginning of each upkeep, if no spells
were cast last turn, transform Seller of
Monsters into Hunted Werewolf.