Blackwing - Sirocco the Dawn (Blue) [DL17-EN007] Rare Platinum Rare Set: Sun & Moon: Cosmic

Set: Sun & Moon: Cosmic Eclipse Type: Grass Rarity: Secret Rare Retreat cost: Colorless

Set: EX: Deoxys Type: Darkness Rarity: Secret Rare Retreat cost: Colorless

This card gains 100 ATK for each of those cards

Set: Duelist League Promo Card type: Normal Spell Rarity: Rare Activate only while you control "Necrovalley": Both players discard all Monster Cards in their hands

Must be Special Summoned with "Knight's Title" and cannot be Special Summoned by other ways

Blackwing - Sirocco the Dawn (Blue) [DL17-EN007] Rare Platinum Rare Set: Sun & Moon: CosmicSet: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 2000 Defense: 900 If your opponent controls a monster and you control no monsters, you can Normal Summon Set this card without Tributing. Once per turn: You can target 1 "Blackwing" monster you control; until the End Phase, it gains ATK equal to the total ATK of all "Blackwing" monsters currently on the field, except itself. Monster other than the targeted monster cannot attack