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

dragons you control have go again while attacking

Set: Diamond & Pearl: Secret Wonders Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Base Set Type: Grass Rarity: Rare Retreat cost: 0

Set: HeartGold & SoulSilver: Call of Legends Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: Sun & Moon: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

You may put them on the top and/or bottom in any order

Set: HeartGold & SoulSilver: Undaunted Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Undaunted Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Set: Base Set Shadowless Unlimited Type: Colorless Rarity: Uncommon Retreat cost: Colorless

Set: Promo Finish: Rainbow Foil Type: Action Subtype: Aura Rarity: Promo Class: Guardian Elemental Cost: 2 Earth Fusion (As an additional cost to play Strength of Sequoia

Set: EX: Team Rocket Returns Type: Grass Rarity: Holo Rare Retreat cost: 0

destroy it and close the combat chain