Twins Together

Return 2 Level 3-5 WATER Fish-Type monsters (except Tokens) from your field to the Deck, and play 1 "Aurora Wing" and 1 "Blizzard Falcon" from outside of your Deck to your field. During this turn, when you Xyz Summon a WATER monster using a monster(s) played by this Skill, the Level of the monster(s) can be treated as 5. This Skill can only be used once per turn and twice per Duel.