# 2025 Digimon Special Booster Ver.2.5 [BT19-20] #BT20-100

> The Last Guardian (BT20-100) is a U rarity Option card from the Special Booster Ver.2.5 [BT19-20] set, supporting Royal Knight and Cool Boy strategies.

Canonical URL: https://supercatch.com/product/digimon-special-booster-ver25-bt19-20-the-last-guardian-bt20-100-u

## Identity

- **Year**: 2025
- **Manufacturer brand**: Digimon
- **Set / series**: Special Booster Ver.2.5 [BT19-20]
- **Card number**: #BT20-100
- **Product type**: TCG_CARD

## Description

Released in 2025 as part of the Special Booster Ver.2.5 [BT19-20] series, The Last Guardian (BT20-100) serves as a pivotal Option card within the Digimon Card Game. This card is designed to support decks focused on the Royal Knight and Cool Boy types, offering strategic depth through its unique gameplay mechanics. With a play cost of 4 and a White color identity, it provides versatile utility for players looking to expand their tactical options.

The card’s primary ability allows players to reveal the top three cards of their deck, searching for one [Cool Boy] and one card with the [Royal Knight] or [X Antibody] trait to add to their hand. This effect helps maintain hand consistency and resource flow, which is crucial for executing complex combos. Additionally, the card features a powerful [All Turns] effect that can prevent specific [Omnimon]-named Digimon from leaving the battle area, ensuring key units remain on the field for crucial turns.

Beyond its main effect, The Last Guardian includes a [Security] ability that permits the free play of one [Omekamon] or [Cool Boy] card from the hand or trash. This secondary effect adds layers of resilience, allowing players to recover from setbacks or capitalize on unexpected opportunities during security checks. As a U rarity card, it is a valuable addition for collectors building their Special Booster Ver.2.5 [BT19-20] collection and players aiming to enhance their Royal Knight or Cool Boy strategies.

Collectors and players alike appreciate the Digimon Card Game for its intricate card interactions and diverse archetypes. The Last Guardian exemplifies the strategic richness of the game, blending resource management with protective effects. Whether used to stabilize a board or enable powerful plays, this card remains a notable piece for enthusiasts of the Royal Knight and Cool Boy themes.

## FAQ

### What type is The Last Guardian card?

The Last Guardian is an Option card in the Digimon Card Game, categorized under the White color and Royal Knight type.

### What are the main effects of BT20-100?

This card reveals the top three cards of your deck to find a [Cool Boy] and a [Royal Knight] or [X Antibody] card. It also protects [Omnimon]-named Digimon from leaving the battle area.

### How does the Security effect work?

When checking security, you may play one [Omekamon] or [Cool Boy] card from your hand or trash without paying the cost, then place this card in the battle area.

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## Companion files

- [llms.txt](https://supercatch.com/llms.txt) — site-level concise index.
- [llms-full.txt](https://supercatch.com/llms-full.txt) — site-level expanded corpus.
- [ai.txt](https://supercatch.com/ai.txt) — AI training and licensing terms.

Last verified: 2025-11-29.