This set is the Deluxe Edition of the Game Boy Advance game Yu-Gi-Oh! Duel Monsters Expert 2006, released only in Japan on February 23, 2006. In addition to the game, this set contained 1x Structure Deck: Warrior's Triumph, 1x Structure Deck: Spellcaster's Judgment, 1x "Yu-Gi-Oh! Online Installation CD" + 1x "Duelpass Phase 3" and 4 Ultimate Rare cards.
The promo pack consists of 4 Effect Monsters (the main monsters from the first 4 Structure decks) in Ultimate Rare.
Japanese promotional poster