Shuffle 2 of your Blackwing monsters (1 Tuner and 1 non-Tuner) that are banished and or in your GY into the Deck Extra Deck; Special Summon 1 Blackwing Synchro Monster or Black-Winged Dragon from your Extra Deck whose Level equals the total Levels of those 2 monsters. (This is treated as a Synchro Summon.) If you control 2 or more Blackwing monsters, you can activate this card from your hand. You can only activate 1 Blackwing – Twin Shadow per turn.