Azlask and Ulalek are both colorless in gameplay, but both have all five colors in their color identity for Commander deckbuilding purposes
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
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
P/T Set Number 324 Language Italiano Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) The affected land keeps any other card types (such as artifact) and supertypes (such as basic or legendary) when it loses its land types
Combined with all the Bloodletter of Aclazotz combos, this gives Mono-Black Midrange a good chance to end the game on the spot
Well, every other card starts the game somewhere in your deck