When this creature dies, create a 1/1 white Ally creature token.

Whenever Hei Bai enters or attacks, you may sacrifice another creature or artifact. If you do, put two +1/+1 counters on Hei Bai.

When Hei Bai leaves the battlefield, put its counters on target creature you control.

Firebending X, where X is Fire Lord Zuko's power. (Whenever this creature attacks, add X . This mana lasts until end of combat.)

Whenever you cast a spell from exile and whenever a permanent you control enters from exile, put a +1/+1 counter on each creature you control.

Vigilance, lifelink

Darkforce Inversion — When Mister Negative enters, you may exchange your life total with target opponent. If you lose life this way, draw that many cards.