Grass Energy (2010 Play Pokemon Promo) [League & Championship Cards] 176 you must offer 1 Dragon-Type

you must offer 1 Dragon-Type monster on your side of the field as a Tribute

You can only use this effect of “Ride of the Valkyries” once per turn

Set: Ra Yellow Mega Pack Card type: Normal Spell Rarity: Secret Rare Attack: 0 Defense: 0 Add 1 "Elemental HERO" monster from your Deck to your hand

Set: OTS Tournament Pack 9 Card type: Token Monster Rarity: Super Rare Attack: 0 Defense: 0 This card can be used as a "Mecha Phantom Beast Token"

Set: Black & White: Dragons Exalted Type: Grass Rarity: Rare Retreat cost: Colorless

Grass Energy (2010 Play Pokemon Promo) [League & Championship Cards] 176 you must offer 1 Dragon-TypeSet: League & Championship Cards Type: Grass Rarity: Promo