Celebi (7/123) [Diamond & Pearl: Mysterious Treasures] Parallel World Tactician you may digivolve 1 of

you may digivolve 1 of your Digimon into a Digimon card with [Royal Knight] in its traits in your hand for its digivolution cost

if one of their Digimon is attacking

Set Name: Kingdoms of Intrigue Card Number: OP04-112 Release Date: 2023-09-22 Rarity: Super Rare Card Type: Character Cost: 9 Power: 9000 [On Play] K

Set: Sun & Moon: Crimson Invasion Type: Psychic Rarity: Secret Rare Retreat cost: Colorless

Set: Neo Destiny Unlimited Type: Stadium Rarity: Rare

Celebi (7/123) [Diamond & Pearl: Mysterious Treasures] Parallel World Tactician you may digivolve 1 ofSet: Diamond & Pearl: Mysterious Treasures Type: Grass Rarity: Holo Rare Retreat cost: Colorless