Familiar of the Mindful

Flying
When Familiar of the Mindful enters the battlefield, if it entered from exile, the next spell
you cast this turn costs {1} less to cast for each
card in your hand.
Navigate {3} ({3}, {t}: Exile this creature. Draw a
card. At the beginning of your next upkeep, return this
card from exile to the battlefield under your control. Navigate only as a sorcery.)