You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) You can send this card from your hand or field to the GY; place 1 “Black Feather Whirlwind” from your Deck face-up in your Spell & Trap Zone.
(2) If a “Blackwing” Synchro Monster(s) and/or “Black-Winged Dragon” is Special Summoned to your field while this card is in your GY: You can banish this card, then target 1 “Blackwing” monster in your GY; add it to your hand, then take 700 damage.