Eria, the Soulseeker

Eria, the Soulseeker enters the battlefield with
two +1/+1 counters on it for each creature you
control.
{w}, Remove a +1/+1 counter from Eria, the Soulseeker: Create a 1/1 white Spirit creature
token with flying.
{5}{w}{w}: Exile Eria, the Soulseeker. Return it to
the battlefield at the beginning of the next end
step.