Darkrai (XY114) [XY: Black Star Promos]Set: XY: Black Star Promos Type: Darkness Rarity: Promo Retreat cost: Colorless,Colorless

Set: Sun & Moon: Black Star Promos Type: Stadium Rarity: Promo

Set: Black & White: Black Star Promos Type: Stadium Rarity: Black Star Promo

Set: EX: Team Rocket Returns Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

Set: Skyridge Type: Fire Rarity: Common Retreat cost: Colorless

You can discard this card to the GY

Set: Expedition: Base Set Type: Grass Rarity: Rare Retreat cost: Colorless

where X is the damage dealt by Sonic Boom

you may pay [1 Resource] instead

Set: Sun & Moon: Guardians Rising Type: Basic Fighting Energy Rarity: Secret Rare

Set: EX: Hidden Legends Type: Fighting Rarity: Secret Rare Retreat cost: Colorless

Set: Sun & Moon: Lost Thunder Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Sun & Moon: Guardians Rising Type: Psychic Rarity: Secret Rare Retreat cost: Colorless