Agath, Voice of the Seance

Agath, Voice of the Seance enters with three
Seance counters on it.
{3}: Remove a Seance counter from Agath.
Create a 1/1 colorless Spirit creature token.
Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with
flying.
Whenever you mill a creature card, Agath gets a
Seance counter.