# 2025 Digimon WORLD CONVERGENCE [BT-21] #BT21-100

> 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.

Canonical URL: https://supercatch.com/product/digimon-world-convergence-bt-21-the-digimon-i-designed-bt21-100-c

## Identity

- **Year**: 2025
- **Manufacturer brand**: Digimon
- **Set / series**: WORLD CONVERGENCE [BT-21]
- **Card number**: #BT21-100
- **Product type**: TCG_CARD

## 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.

## FAQ

### What does the BT21-100 card do in the Digimon Card Game?

The BT21-100 card is a Purple Option card that allows you to digivolve from the trash without paying the cost if your Digimon has Guilmon or Growlmon in its name. It also provides card draw and memory gain in security.

### How do you play The Digimon I Designed card?

You pay 2 memory to play this card. If you control Takato Matsuki, you can ignore its color requirements. You can trash a card from your hand to draw one and place this card in the battle area.

### What is the rarity of BT21-100 in the WORLD CONVERGENCE set?

The Digimon I Designed card (BT21-100) has a C rarity in the 2025 Digimon Card Game WORLD CONVERGENCE [BT-21] set.

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Last verified: 2025-11-29.