Surprise, Surprise - S1.E17

Next up in the Fortune Cup is a riding duel between Yusei and a mysterious caped duelist called Shira, but to Yusei's and Jack's surprise, the challenger is actually Hunter Pace who took the real Shira's place and disguise shortly before the duel starts. Yusei must now face Pace's deck filled with powerful Fire monsters, an improved deck which Pace planned to use against Jack later on.