Pikachu (79/110) (Delta Species) [EX: Holon Phantoms]Set: EX: Holon Phantoms Type: Metal Rarity: Common Retreat cost: Colorless

Set: XY: Steam Siege Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

Set: Sun & Moon: Ultra Prism Type: Dragon Rarity: Rare

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

Set: Black & White: Boundaries Crossed Type: Lightning Rarity: Rare Retreat cost: Colorless

Set: Legendary Collection Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: Diamond & Pearl: Legends Awakened Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: Sword & Shield: Evolving Skies Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Call of Legends Type: Fire Rarity: Promo

Set: Pokémon Rumble Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Neo Destiny Unlimited Type: Fighting Rarity: Secret Rare Retreat cost: Colorless

Set: EX: FireRed & LeafGreen Type: Grass Rarity: Common Retreat cost: Colorless

and usually only the luckiest of Trainers encounter it