A special release for Hasbro's PulseCon 2021, the Purrfection Secret Lair contains four cards - Chain Lightning, Generous Gift, Heirloom Blade, and Kodama's Reach. Each card features new, cat-themed artwork, illustrated by Ayako Ishiguro, a Japanese artist best known for her "monster cat" designs and popular picture book, Bakeneko Zorozoro.