# 2021 Digimon Double Diamond #BT6-106

> Iron-Fisted Onslaught is a high-cost Black Option card from the 2021 Double Diamond set, designed for strategic disruption in the Digimon Card Game.

Canonical URL: https://supercatch.com/product/digimon-double-diamond-iron-fisted-onslaught-bt6-106-r

## Identity

- **Year**: 2021
- **Manufacturer brand**: Digimon
- **Set / series**: Double Diamond
- **Card number**: #BT6-106
- **Product type**: TCG_CARD

## Description

Iron-Fisted Onslaught, identified as BT6-106, stands as a formidable presence within the Digimon Card Game landscape. Released in 2021 as part of the Double Diamond set, this card belongs to the Black color identity, offering players a potent tool for board control. As an Option card, it deviates from standard Digimon summons, instead providing a strategic effect that can shift the momentum of a match. The card requires a significant play cost of 8, signaling its role as a high-impact resource rather than an early-game staple. The primary utility of this card lies in its ability to delete all of the opponent's Digimon with the highest play cost. This effect makes it a critical answer to decks that rely on heavy, high-cost threats. The rarity designation of R ensures it is accessible yet distinct within the set's hierarchy. Beyond its in-game function, Iron-Fisted Onslaught appeals to those who appreciate the strategic depth of the Digimon Card Game. Collectors often seek out cards like BT6-106 to complete their set collections or to understand the evolution of game design within the Double Diamond era. The card's security effect further enhances its value to serious players, allowing it to activate its main effect when drawn from the security stack. This dual-layer utility makes it a notable entry for enthusiasts who analyze both the lore and the mechanics of the franchise. Whether you are building a competitive deck or curating a collection of Double Diamond cards, Iron-Fisted Onslaught offers a glimpse into the strategic possibilities available to Digimon Card Game players. Its design and effects reflect the dynamic nature of the game, encouraging collectors to engage with the hobby on multiple levels.

## FAQ

### What set is Iron-Fisted Onslaught from?

Iron-Fisted Onslaught is part of the Double Diamond set, which was released in 2021 for the Digimon Card Game. It carries the set code BT6 and is identified as card number 106.

### What type of card is Iron-Fisted Onslaught?

This card is classified as an Option card in the Digimon Card Game. It is colored Black and has a play cost of 8, distinguishing it from standard Digimon or Tamer cards.

### What is the main effect of BT6-106?

The primary effect of Iron-Fisted Onslaught is to delete all of the opponent's Digimon that have the highest play cost on the field. It also has a security effect that allows this main effect to activate when drawn from the security stack.

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Last verified: 2025-11-29.