The BT21-100 card, titled The Digimon I Designed, is a Purple Option card from the 2025 Digimon Card Game WORLD CONVERGENCE [BT-21] set, offering unique digivolution pathways for Guilmon and Growlmon archetypes.
The Digimon I Designed
2025 • Digimon • WORLD CONVERGENCE [BT-21]
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Description
The Digimon I Designed (BT21-100) is a Purple Option card from the 2025 Digimon Card Game WORLD CONVERGENCE [BT-21] set, designed to support specific Digimon lineages. With a play cost of 2, this card serves as a strategic tool for players building decks centered around Takato Matsuki and his partner creatures. The card’s primary effect allows players to ignore its color requirements while controlling Takato Matsuki, providing flexibility in deck construction and play. A key feature of this card is its ability to facilitate digivolution for cards in the trash. When effects delete Digimon, players can use this card to allow a Digimon with Guilmon or Growlmon in its name to digivolve into a card with Growlmon, Gallantmon, or Megidramon in its name without paying the cost. This mechanic is particularly valuable for archetypes that rely on recursion and resource management, enabling smoother transitions to powerful late-game Digimon. The card also offers a direct board presence. By trashing a card from your hand, you can draw one card and place The Digimon I Designed into the battle area. Additionally, in the security stack, this card provides 1 memory and enters the battle area, offering a reliable defensive option. As a C rarity card, it is a staple in its designated ecosystem, appealing to collectors and players who favor the BT-21 crossover themes and the specific evolution paths of Takato’s Digimon partners.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
The subject, team, league, and sport context tied to this card.
Featured
The Digimon I Designed
Game
Digimon
TCG Attributes
Rarity, print treatment, and game-specific stats for this card.
C
Card Stock
English
Option
Purple
2
Card Text
Abilities, attacks, oracle text, and flavor text printed on the card.
While you have [Takato Matsuki], you can ignore this card's color requirements. [Main] ＜Draw 1＞ and trash 1 card in your hand. Then, place this card in the battle area. [Your Turn] When effects delete Digimon, ＜Delay＞ ・1 of your Digimon with [Guilmon] or [Growlmon] in its name may digivolve into a Digimon card with [Growlmon], [Gallantmon] or [Megidramon] in its name in the trash without paying the cost. [Security] [Security] Gain 1 memory. Then, place this card in the battle area.