Ursarctic Drytron (Common)

Banish 1 'Ursarctic Big Dipper' and 1 'Drytron Fafnir' from your hand and/or field, and if you do, Special Summon 1 'Ultimate Flagship Ursatron' from your Extra Deck. If you control 'Ursarctic Polari' or 'Drytron Alpha Thuban', you can banish 1 of the above cards from your Deck instead. If you would Tribute a monster(s) to activate an 'Ursarctic' or 'Drytron' monster's effect, you can banish this card from your GY instead. You can only use this effect of 'Ursarctic Drytron' once per turn.