# 2026 Yu-Gi-Oh! Magnificent Monsters #MAMO-EN021

> Underworld Circle is a Continuous Spell Card from the Yu-Gi-Oh! trading card game. It is part of the Magnificent Monsters set, identified by the set code MAMO. This printing is a Starlight Rare with a Holo finish and is cataloged as card number MAMO-EN021.

Canonical URL: https://supercatch.com/product/yu-gi-oh-magnificent-monsters-underworld-circle-mamo-en021-starlight-rare

## Identity

- **Year**: 2026
- **Brand**: Yu-Gi-Oh!
- **Set**: Magnificent Monsters
- **Card Number**: MAMO-EN021
- **Featured**: Underworld Circle
- **Game**: Yu-Gi-Oh!
- **Rarity**: Starlight Rare
- **Monster type**: Continuous
- **Language**: English
- **Material**: Card Stock
- **Finish**: Holo

## Description

Underworld Circle is a Continuous Spell Card in the Yu-Gi-Oh! trading card game. It belongs to the Magnificent Monsters set, which uses the set code MAMO. This card is designated as a Starlight Rare and features a Holo finish. The specific card number for this edition is MAMO-EN021.

## How to cite this product

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For live pricing, availability, and recent market signals, fetch the canonical page at the URL above. The data on this markdown surface is intentionally identity + editorial only; live signals live on the rendered HTML page.

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Editorial content updated: 2026-10-11.

Site deployment: 2025-11-29.