Episode 33 of The Trigan Empire
The Wish-Fulfiller
aka The Wish Fulfiller
The Black Box
De magische doos (Dutch title)
The Magic Box (Dutch title, translated)
Written by Mike Butterworth
Illustrated by Don Lawrence
The Wish-Fulfiller was originally published in 9 installments in issues 541 (27 May 1972) to 549 (22 July 1972) of Look and Learn magazine.
It is reprinted in the Don Lawrence Collection Volume 8, The Prisoner of Zerss.
Installments
541 542 543 544 545 546 547 548 549

Links
https://ottosump.tumblr.com/post/667819782067929088/mike-butterworths-predictive-power-from-1972
Plot summary (Dutch)
Downloads
MediaFire via British Comics Compilations