Structure Deck: Cosmic Storm

Structure Deck: Cosmic Storm (known as STRUCTURE DECK(ストラクチャーデッキ) -宇宙の嵐- in the FOCG) is a fan-made Structure Deck. This Deck follows Structure Deck: Gladiators' Return and is followed by Structure Deck 21.

==Features== This 40-card deck focuses on Machine-Type Pendulum monsters, including over 20 new cards. It also includes 1 Enhancement Pack consisted of 5 out of 15 possible cards, always including 1 special Collector's Ultra Rare card that is native to the Structure Deck, 2 Unholy Knights of the Damned packs, 70 sleeves featuring the Ultra Rare monsters, and a rubber playmat featuring the said Machine-Type monsters.

Cover Cards: ???

Breakdown
This deck includes cards of the following rarity: The enhancement pack includes 5 cards, with 15 in total of the following rarity:
 * ? Ultra Parallel Rare
 * ? Super Parallel Rare
 * ? Normal Parallel Rare
 * ? Common
 * 1 Collector's Ultra Rare
 * 14 Common

Deck List (OCG)
This Deck includes:
 * (SD20-JP0??) (?)

Deck List (TCG)
This Deck includes:
 * (SDCS-EN???) ???

Enhancement Pack List
This enhancement pack includes:
 * (SD20-JPV??) ???