Soul of the Duelist was the 12th expansion of the Yugioh TCG. It was released in October of 2004 and consisted of 85 cards total. Noteworthy cards
Ultimate Rare - Inferno Fire Blast - SOD-EN042 Unlimited
Yu-Gi-Oh! TCG Individual Trading Card Games Ultimate Rare in
Inferno Fire Blast (Spell Card) - Yu-Gi-Oh! Rush Duel Card Database
Inferno Fire Blast - SOD-EN042 - Ultimate Rare - Unlimited Edition
Blue-Eyes Ultimate Dragon - Speed Duel: Arena of Lost Souls - YuGiOh
Inferno Fire Blast - Ultimate - SOD-EN042 - Ultimate Rare - 1st
Soul of Fire (UTR) - Force of the Breaker - YuGiOh
Inferno Fire Blast (UTR) - Soul of the Duelist - YuGiOh
Soul of Fire (UTR) - Force of the Breaker - YuGiOh