As mentioned, they're not even considered double-faced cards like transforming and Modal Double-Faced Cards
Instead, think of duplicates as opportunities to trade with other collectors whether in person or online to expand your collection
But it can also just be goofy fun

26, 2021 Price: $9.99 USD Pokmon TCG: First Partner Pack (Galar) Product Contents: Three oversize promo cards featuring the first partner Pokmon of the Galar regionGrookey, Scorbunny, and Sobbleplus two regular Pokmon TCG boosters Release Date: March 5, 2021 Price: $9.99 USD Pokmon TCG: First Partner Pack (Alola) Product Contents: Three oversize promo cards featuring the first partner Pokmon of the Alola regionRowlet, Litten, and Popplioplus two regular Pokmon TCG boosters Release Date: April 2, 2021 Price: $9.99 USD Pokmon TCG: First Partner Pack (Kalos) Product Contents: Three oversize promo cards featuring the first partner Pokmon of the Kalos regionChespin, Fennekin, and Froakieplus two regular Pokmon TCG boosters Release Date: May 7, 2021 Price: $9.99 USD Pokmon TCG: First Partner Pack (Unova) Product Contents: Three oversize promo cards featuring the first partner Pokmon of the Unova regionSnivy, Tepig, and Oshawottplus two regular Pokmon TCG boosters Release Date: June 4, 2021 Price: $9.99 USD Pokmon TCG: First Partner Pack (Sinnoh) Product Contents: Three oversize promo cards featuring the first partner Pokmon of the Sinnoh regionTurtwig, Chimchar, and Piplupplus two regular Pokmon TCG boosters Release Date: July 9, 2021 Price: $9.99 USD Pokmon TCG: First Partner Pack (Hoenn) Product Contents: Three oversize promo cards featuring the first partner Pokmon of the Hoenn regionTreecko, Torchic, and Mudkipplus two regular Pokmon TCG boosters Release Date: Aug

Cards related to "Haunter-Holo".