The Flickerer

Whenever The Flickerer or another nontoken creature enters the battlefield under your control, if
it wasn't cast, you get {e}.

Pay {e}{e}{e}{e}{e}: Exile target creature you control, then return that card to the battlefield under your control.

Pay {e}{e}{e}{e}{e}{e}{e}{e}{e}{e}: Any number of target creatures you control phase out.