Hazamet, the Soul Haggler

Battlefield entry — For each 2 life you spent to
cast this spell, create a 1/1 white and black Spirit creature token with flying.
Battlefield entry — For each mana you spent to
cast this spell, choose 1:
• Put a +1/+1 counter on target permanent.
• Each opponent loses 1 life. Gain 1 life.
Flying, menace, deathtouch