Machina Armored Unit

Spell

Other names: Mek Unità Corazzata (Italian)

The code SDMM-EN021 you looked up matches:

SDMM-EN021 · Machina Mayhem Structure Deck · Common

Set: Machina Mayhem Structure Deck
Code: SDMM-EN021
Rarity: Common$1.13 · price per set and rarity (USD, from YGOPRODeck)

All 5 printings ↓

Market price

€0.08

Cardmarket · lowest across all versions

Unchanged since Nov 7, 2026 · read on Nov 7, 2026

$0.06 · TCGplayer (USA) · lowest across all versions

The card’s price, not your copy’s: the free sources do not tell languages or editions apart. For Italian cards the real price may differ.

The history starts on the first day we read the price.

Type: Continuous Spell Card
Archetype: Machina

Text

Once per turn, when a Machine monster is destroyed by battle and sent to your GY: You can Special Summon 1 Machine monster from your Deck that has the same Attribute and less ATK than that destroyed monster in the GY.

Printings (5 printings)

SDMM-EN021Feb 19, 2010
Machina Mayhem Structure Deck · Common$1.13 · price per set and rarity (USD, from YGOPRODeck)
AP02-EN022Apr 19, 2013
Astral Pack Two · Common
SDCR-EN028Feb 6, 2014
Cyber Dragon Revolution Structure Deck · Common
LEDD-ENB19Oct 5, 2017
Legendary Dragon Decks · Common$1.31 · price per set and rarity (USD, from YGOPRODeck)
SR10-EN025Apr 16, 2020
Structure Deck: Mechanized Madness · Common

Types and rarities are shown as listed by the card database (in English).