Treacherous Werewolf

Treacherous Werewolf

Creature - Werewolf Minion | Power/Toughness: 2 / 2 (CMC 3)
Threshold -- As long as seven or more cards are in your graveyard, Treacherous Werewolf gets +2/+2 and has "When Treacherous Werewolf dies, you lose 4 life."