Zozo, Moon's Protege

Flash
If Zozo, Moon's Protege entering the battlefield
would cause an ability to trigger, you may have
that ability trigger an additional time.
{4}{w/u}: Exile Zozo. Return it to the battlefield
under its owner's control at the beginning of
your next upkeep. This costs {4} less to activate if
a source you don't control is targeting Zozo.