Blackwing - Elphin the Raven [CT06-ENS01] Secret Rare RC12 if you offer 1 monster

if you offer 1 monster on your side of the field as a Tribute

Set: Sun & Moon: Celestial Storm Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: Duel Terminal 2 Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2900 Defense: 1700 1 "Fabled" Tuner + 1 or more non-Tuner monsters Once per turn

Set: Sword & Shield: Fusion Strike Type: Lightning Rarity: Secret Rare Retreat cost: Colorless

If you call it right

Blackwing - Elphin the Raven [CT06-ENS01] Secret Rare RC12 if you offer 1 monsterSet: 2009 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 2200 Defense: 1200 If you control a face up "Blackwing" monster, you can Normal Summon this card without Tributing. When this card is Normal Summoned, you can change the Battle Position of 1 monster your opponent controls.