yugioh summoned skull deck YU-GI-Oh! Trading Card Summoned Skull - Yugipedia

Azlask and Ulalek are both colorless in gameplay, but both have all five colors in their color identity for Commander deckbuilding purposes

Brand: YuGiOh Company: Konami Series: Starter Deck: Yugi Item Type: Single Card Release Date: March 2002 UPC: 606583813060 Stock #: 236483 Our Guarantees to You, Our Valued Customer

So if you're a fan of Commander of Historic Brawl formats, March of the Machine should be quite a treat

Transforming a creature doesnt cause it to leave zones, so your opponent basically needs Strip Mine to kill their commander or a way to kill this green enchantment, which some colors struggle with

Store in a cool, dry place when not in use

Well, every other card starts the game somewhere in your deck