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).
[1] You can Tribute this card and 1 Level 8 "Ursarctic" monster in your hand or field; Special Summon 1 Level 7 "Ursarctic" Synchro monster from your Extra Deck, ignoring its Summoning Conditions, also it gains the following effect.
● Your opponent cannot activate the effects of monsters with a Level, that was Special Summoned from the Extra Deck.