Grumpig (29/106) (Prerelease Promo) [Nintendo: Black Star Promos] XY51 Set: Neo Discovery Unlimited Type:

Set: Neo Discovery Unlimited Type: Darkness Rarity: Rare Retreat cost: Colorless

Set: Expedition: Base Set Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Stairway to the Destined Duel Card type: Effect Monster Rarity: Secret Rare Attack: 3500 Defense: 3850 This card can only be Special Summoned by offering 'Alpha the Magnet Warrior'

send as many cards you control as possible to the GY

Set: Sword & Shield: Base Set Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Grumpig (29/106) (Prerelease Promo) [Nintendo: Black Star Promos] XY51 Set: Neo Discovery Unlimited Type:Set: Nintendo: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless,Colorless