Naharik, Naga Necromancer

Deathtouch
Naharik, Naga Necromancer enters with 5 corpse counters on it.
{1}{b}{g}{t}: Remove a corpse counter from Naharik, Naga Necromancer. Create a 1/1 black and green snake zombie creature token with deathtouch. Then if there are no more corpse counters on Naharik, Naga Necromancer, sacrifice it unless you pay 5 life.