Cloudsea Offensive Formation - Foil Tweet Details Artist: Nakarin Sukontakorn Card Name: Cloudsea Offensive Formation Card Number: ASC-017 Element: Air Finish: Foil Flavor Text: "The best defense? A fleet of ships of course." Rarity: Common Rules Text: InstacastPlay only while you control an Airship unit.Destroy target unit or augment. Set: Ascension Shard Cost: 1 Subtype: Instacast Type: Spell