Cannot be Synchro Summoned. Must be Special Summoned (from your Extra Deck) by sending 1 Level 8 or higher Tuner and 1 non-Tuner Synchro Monster you control to the GY, whose difference in Levels equals 7. Negate the effects of all face-up monsters Special Summoned from the Extra Deck that have no Level. If your opponent Special Summon a monster(s) (except during the Damage Step): You can add 1 "Ursarctic" card from your Deck to your hand. You can only use this effect of "Ursarctic Septentrion" once per turn.