Umbra, along with Lumis, kidnapped Mokuba Kaiba as bait to lure in Seto Kaiba. However they instead caught the attention of the player and Yugi Muto, who had been looking for Mokuba. Umbra and Lumis then Dueled the two of them at the top of the building, but lost.
After the Duel, Marik Ishtar took control of Lumis, using the Millennium Rod to speak with the player and Yugi. Afterwards, he left Umbra and Lumis fall unconscious.
The following cards can be won from Umbra by the ante rule, provided the player does not wager a low-level ante card. The chance of winning a card is indicated by the "%" (chance out of 100) and "2048th" (chance out of 2048) columns.