Song of the Sky Tweet Details Artist: Gunrev Studios Card Name: Song of the Sky Card Number: 89/100 5REV Element: Air Finish: Regular Flavor Text: In favorable winds, an airship ride feels like floating on a song. Rarity: Common Rules Text: Play this card only if two or more units returned from the field to your hand this turn.The next card you play this turn costs (2) less to play. Set: Booster Set 2: Revelations Shard Cost: 0 Type: Spell