Nasil, Forgotten Cult Mage

When Nasil enters the
battle field, put a charge counter on it.
Whenever a Cultist enters the battle field,
you may choose to sacrifice it.
if you do, put a charge counter on Nasil.
{3}{t}{b}{u/b}: Remove X charge counters from
Forgotten Cult Mage.
Create X 1/1 Imps with Riot.