Pirate Executioner

Level up {3}{b} ({3}{b}: Put a level counter on this.
Level up only as a sorcery.)
Level 1-3: Deathtouch, lifelink (5/4)
Level 4+: Deathtouch, lifelink, {3}{b}: Target
player sacrifices a creature they control. You lose
2 life and draw a card. (6/5)