Seto Kaiba's Decks

Duelist Kingdom
During Duelist Kingdom, he utilized various brutal appearing monsters to reflect his personality. Ghost Kaiba also utilized Kaiba's deck and the Duel Robot also used some of his cards when Kaiba wanted to test his new duel disk system.

Test Deck
After obtaining Obelisk the Tormentor and developing the duel disk, Kaiba creates a Deck to test them both out and duels against a Duel Computer, which used some of Kaiba's own cards.

Battle City
In Battle City it takes on traits of a Virus Deck, relying on removing cards from the opponents deck, by utilizing cards such as "Crush Card Virus" and "Virus Cannon" while also focusing on summoning and using "Obelisk the Tormentor". In later episodes, his Deck becomes more focused on removing his monsters from play and returning them to the field to overwhelm his opponents.

Virtual World
The Virtual World Deck is very similar to Kaiba's Battle City Deck, though with more emphasis on Dragon-Type monsters.

Yu-Gi-Oh! The Movie - Pyramid of Light
In the movie, Kaiba's Deck works by removing monsters like the XYZ monsters from play to Special Summon them back to the field. After winning, he bases his Deck around "Blue-Eyes Shining Dragon".

Only the cards used by Kaiba in his Duels were shown in the film. The full Decklist was given in the novelization of the film.

Waking the Dragons
Kaiba's Deck evolves considerably, as he begins to include many more Dragons in his Deck, while also gaining "The Fang of Critias" and still supporting "Blue-Eyes White Dragon" and XYZ monsters.

Grand Championship
His Grand Championship Deck, which still consisted mostly of Dragons, focused on swarming the field with monsters that were removed from play, using "Dimension Fusion".

Yu-Gi-Oh! GX
Although Seto Kaiba was not shown dueling in Yu-Gi-Oh! GX, a Monster Spirit named Kaibaman—who was rumored to have been created in honor of Seto—has been shown to possess an exact copy of Kaiba's Blue-Eyes White Dragon Deck.