Advanced format ruling
Blackwing - Vayu the Emblem of Honor
Card effect (current official text)This face-up card on the field cannot be used as a Synchro Material. If this card is in the Graveyard: You can target 1 non-Tuner "Blackwing" monster in your Graveyard; banish both this card and that target, and if you do, Special Summon 1 "Blackwing" Synchro Monster from your Extra Deck whose Level equals the total Levels of the banished monsters, but its effects are negated.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.