Activate three basic snow lands you control by tapping them, adding ({3} magic symbol) .
Activate Icebreaker Kraken by returning the three snow lands from the battlefield to your hand.
Holding priority, activate Patron of the Moon twice by paying ({2} magic symbol) , putting the three snow lands from your hand onto the battlefield tapped.
The snow lands enter the battlefield, triggering Amulet of Vigor three times, untapping the snow lands.