Reshiram GX (65/70) [Sun & Moon: Dragon Majesty]Set: Sun & Moon: Dragon Majesty Type: Fire Rarity: Ultra Rare Retreat cost: Colorless,Colorless

If it's the named card

Set: HeartGold & SoulSilver: Undaunted Type: Water

Set Name: Promo Cards Release Date: TBA Rarity: Promo Flavor Text: Wherever the seaweed had come from

you'll find a plethora of Trainer cards and Energy cards

Set: XY: BREAKpoint Type: Stadium Rarity: Promo

Each booster pack contains:

Set: Nintendo: Black Star Promos Type: Colorless Rarity: Promo Retreat cost: 1

Set: EX: Deoxys Type: Fighting Rarity: Common Retreat cost: Colorless

Set: Sword & Shield: Astral Radiance Type: Fire Rarity: Secret Rare Retreat cost: Colorless

or enhance them with cards from the booster packs

Set: Alternate Art Promos Type: Lightning Rarity: Promo

Set: EX: Deoxys Type: Psychic Rarity: Common Retreat cost: Colorless