You can use this card only if you discard 3 other cards from your hand. Search your deck for an Item card, a Pokémon Tool card, a Supporter card, and a Stadium card, reveal them, and put them into your hand. Then, shuffle your deck.
Secret Box is a English Pokémon TCG card from the WC Deck 2024 (Ancient Toolbox) set.
Illustration by Toyste Beach.
WC Deck 2024 (Ancient Toolbox) was released in 2025 as part of the World Championships series.
The WC Deck 2024 (Ancient Toolbox) set page lists every other card in the same expansion in card-number order.