Cannot be Synchro Summoned. Must be Special Summoned (from your Extra Deck) by sending 2 monsters you control with a Level difference of 1 to the GY (1 Tuner and 1 non-Tuner). If this card is Special Summoned: You can activate 1 Ursarctic Big Dipper directly from your Deck. You can Tribute 1 Level 7 or higher monster; add to your hand, or Special Summon, 1 Ursarctic monster from your GY. You can only use each effect of Ursarctic Polari once per turn.