How do you battle Yami Yugi in Dungeon Dice Monsters?

In order to battle Yami Yugi in the Yu-Gi-Oh! Dungeon Dice Monsters video game, the player must win the sixth Dark Tournament multiple times. Yami, also known as the Spirit of the Millennium Puzzle, has certain cards, including one Kuriboh, one Strike Ninja, one Giant Soldier of Stone, one Mystical Elf, and a Beaver Warrior.