yugioh legendary duelist ancient millennium booster box Konami Yu-Gi-Oh Cards - Duelists: His powerful Barrel Dragon nearly knocked Joey out of the tournament YuGiOh Legendary Duelists Ancient Millennium

There aren't many colorless legendary spells you'll be casting anyway, and in this decklist, the only colorless legendary spells are artifacts, which aren't too costly to cast to begin with

When you spend this mana to cast an instant or sorcery spell with mana value 3 or less, you may exile that spell instead of putting it into its owner's graveyard as it resolves

Players would rather win or lose the game, and if you want to spend 8 mana on something, then dont spend it on Divine Intervention

Or, if you want to save money, you can repurpose small boxes or stands you already have at home, maybe from a leftover kitchen organizer or a thrift store find