# 2022 Yu-Gi-Oh! Speed Duel GX: Duel Academy Box #SGX1-ENA12

> Polymerization is a Spell Card of the Normal property within the Yu-Gi-Oh! trading card game. It is included in the Speed Duel GX: Duel Academy Box set, identified by the set code SGX1 and card number SGX1-ENA12. This printing is a Secret Rare with a Holo finish.

Canonical URL: https://supercatch.com/product/yu-gi-oh-speed-duel-gx-duel-academy-box-polymerization-sgx1-ena12-secret-rare

## Identity

- **Year**: 2022
- **Brand**: Yu-Gi-Oh!
- **Set**: Speed Duel GX: Duel Academy Box
- **Card Number**: SGX1-ENA12
- **Featured**: Polymerization
- **Game**: Yu-Gi-Oh!
- **Rarity**: Secret Rare
- **Monster type**: Normal
- **Language**: English
- **Material**: Card Stock
- **Finish**: Holo

## Description

Polymerization is a Normal Spell Card from the Yu-Gi-Oh! trading card game. It appears in the Speed Duel GX: Duel Academy Box set (SGX1) as card number SGX1-ENA12. This version is a Secret Rare with a Holo finish.

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Editorial content updated: 2026-10-11.

Site deployment: 2025-11-29.