Aetherwing Executioner

Ascension (When this creature dies, you may return it to the battlefield with an additional +1/+1 counter. If you do, you then lose life equal to two times its toughness.)
This creature has flying and deathtouch as long as it has two or less +1/+1 counters on it.
Other creatures you control get +0/+1 for each +1/+1 counter on Aetherwing Executioner.