Sylphia, Spirit of Air (2nd Wave) Tweet Details Artist: G.R. Card Name: Sylphia, Spirit of Air Card Number: 107/116 - 2BET Element: Air Finish: Foil Power: 2500 Rarity: Argent Rare Rules Text: Arrive (When this card enters the field zone.) - Choose even or odd cost. Your opponent places all of their Units with the chosen cost on the bottom of their owners' decks in any order. Set: Betrayal Shard Cost: 4 Subtype: Legendary Elemental Type: Unit