# 2021 Digimon Theme Booster Digital Hazard #EX2-054

> ADR-09 Gatekeeper, card number EX2-054 from the 2021 Theme Booster Digital Hazard expansion. This White Digimon offers distinct security and recovery mechanics for your deck.

Canonical URL: https://supercatch.com/product/digimon-theme-booster-digital-hazard-adr-09-gatekeeper-ex2-054-c

## Identity

- **Year**: 2021
- **Manufacturer brand**: Digimon
- **Set / series**: Theme Booster Digital Hazard
- **Card number**: #EX2-054
- **Product type**: TCG_CARD

## Description

The EX2-054 card, ADR-09 Gatekeeper, is a notable addition to the Theme Booster Digital Hazard set released in 2021. As a White Digimon card, it plays at a cost of 11 and boasts a DP of 10,000. Collectors and players alike appreciate this card for its specialized gameplay abilities that interact with specific strategies.

One of the most distinctive features of ADR-09 Gatekeeper is its Security effect. When placed in the security stack, this card can be played without battling and without paying its play cost. This ability provides a crucial safety net during critical moments in the game, allowing for unexpected turns of play.

Furthermore, the card's On Play effect offers strategic value when paired with Mother D-Reaper. If a Mother D-Reaper is already in play, activating this effect grants a Recovery +1 to the deck, helping to replenish resources. This synergy makes ADR-09 Gatekeeper a key piece for decks built around the Mother D-Reaper archetype.

The card also possesses a potent effect on the opponent's turn. When a Mother D-Reaper with six or more digivolution cards is in play, all of the opponent's Digimon receive a Security A -1 effect. This debuff can significantly hinder an opponent's ability to break through your security wall, making ADR-09 Gatekeeper a formidable defensive asset in the Digimon Card Game. For collectors, this card represents a unique piece of the Digital Hazard era, valued for both its aesthetic and its functional depth within the game's mechanics.

## FAQ

### What is the play cost of ADR-09 Gatekeeper?

ADR-09 Gatekeeper has a play cost of 11, making it a high-cost Digimon that requires significant resource management to deploy effectively.

### How does the Security effect work for this card?

The Security effect allows you to play ADR-09 Gatekeeper without battling and without paying its play cost when triggered from your security stack.

### What is the synergy between ADR-09 Gatekeeper and Mother D-Reaper?

ADR-09 Gatekeeper's On Play effect allows for Deck Recovery if you control a Mother D-Reaper, and it can reduce opponent's Security A if Mother D-Reaper has six or more digivolution cards.

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Last verified: 2025-11-29.