Cardfight!! Vanguard TCG - Seeker, Plume Wall Angel (BT16/015EN) - Booster Set 16: Legion of Dragons & Blades ver.E A single individual card from the Cardfight!! Vanguard trading and collectible card game (TCG/CCG). This is of RR rarity. From the Booster Set 16: Legion of Dragons & Blades ver.E set.