Oh and be invincible, gain hp recovery, attack buff, atk bar steal and... Dude, it's already too good of an ability as it is, since it's an irresistible effect to start with
Imo he doesnt offer that much even after winning the duel, Not to mention he doesnt have any advantage in the duel over his opponents and he keeps the debuffs even after winning, Tablo pretty much does the same thing but better and doesnt need conditions like winning duels. Imagine if you S3 a chandra and just get stunned 3 times.