Fen

+4: Fen deals 1 damage to 3 target creature and deals 3 damage to target planeswalker or player
-6: Fen summons 3 4/4 Fireballs with Lifelink and First Strike.
-12: Fen turns into a 12/12 with Lifelink and First Strike and clones herself twice for 5 turns. One of her clones stay for the entire game