Episode 54 of The Trigan Empire
The Faith Healer
aka The Gambler
De genezende gokker (Dutch title)
The Healing Gambler (Dutch title, translated)
The Faith Healer was originally published in 6 installments in issues 718 (18 October 1975) to 723 (22 November 1975) of Look and Learn magazine.
It is reprinted in the Don Lawrence Collection Volume 11, The Sun-Worshippers.
Plot summary (Dutch)