Lumis and Umbra's Decks

Anime/Manga
Umbra and Lumis play a Mask-themed Lockdown Deck, that weakens and manipulates the opponent's cards while lowering their opponent's Life Points. Umbra plays a deck with more monster cards while Lumis uses more magic and trap cards. They also rely on teamwork to support each other, while taking down the opponents. When provoked by Kaiba, coupled with several slip-ups, their teamwork faltered, leading them to defeat.