# 2020 Digimon BOOSTER GREAT LEGEND #BT4-090

> The BT4-090 Chaosmon card from the 2020 Great Legend set, featuring a rare Participation Stamp treatment for dedicated TCG enthusiasts.

Canonical URL: https://supercatch.com/product/digimon-booster-great-legend-chaosmon-bt4-090-participation-stamp-participation-2-r

## Identity

- **Year**: 2020
- **Manufacturer brand**: Digimon
- **Set / series**: BOOSTER GREAT LEGEND
- **Card number**: #BT4-090
- **Product type**: TCG_CARD

## Description

The BT4-090 Chaosmon card stands as a significant entry in the 2020 Great Legend expansion of the Digimon Card Game. As a Level 7 Mega Digimon, this card commands attention with its high DP of 14000, making it a formidable presence in the game. Collectors often seek this card number for its distinct rarity tier and the unique Participation Stamp variant, which adds a layer of exclusivity to the base release. The card is categorized as an R-rarity card, appealing to those who appreciate the diverse print runs and treatments found within the BT4 set. Chaosmon is classified as a Vaccine attribute Digimon, a detail that influences its strategic role within various deck archetypes. The card features a powerful effect that allows it to pierce through opponent defenses and attack unsuspended Digimon upon digivolving. This mechanical depth makes it a subject of interest not just for completionists, but also for players analyzing the strategic landscape of the Great Legend era. The Participation Stamp - Participation 2 variation further distinguishes this card, offering a tangible connection to specific promotional events or community engagements associated with the set's release. For collectors building a comprehensive library of the Digimon Card Game, the Chaosmon BT4-090 represents both a mechanical powerhouse and a collectible milestone. Whether you are focused on completing the BT4 series or targeting specific high-level Digimon, this card holds a prominent place in the collector's eye. The combination of its Level 7 status, Vaccine attribute, and the special Participation Stamp treatment ensures it remains a notable item for enthusiasts of the TCG.

## FAQ

### What is the significance of the Participation Stamp on BT4-090?

The Participation Stamp on BT4-090 Chaosmon indicates a special variant associated with specific promotional events or community engagements. Collectors value these stamps for their rarity and the unique connection they provide to the Great Legend set's release history.

### How does Chaosmon's Piercing effect work in the Digimon Card Game?

Chaosmon's Piercing effect allows it to attack an opponent's Digimon regardless of whether that Digimon is suspended or unsuspended. Additionally, when digivolving, Chaosmon unsuspends itself, enabling immediate offensive potential in the match.

### What rarity is the BT4-090 Chaosmon card?

BT4-090 Chaosmon is an R-rarity card within the Great Legend set. This rarity tier places it among the more common prints in the set, though the Participation Stamp variant makes it a distinct target for focused collectors.

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Last verified: 2025-11-29.