Some make it easier to predict what your opponent will do next, while others can create stalling strategies that might just make the difference between victory and defeat
In the original, Marik brainwashes Joey to hate Yugi, and all his subsequent actions are done "voluntarily" with this new personality
You can cast their sorceries or creatures during their turn, for example
He then goes to the Digital World and captures Tokomon (X-Antibody), forcing DORUgamon to attack him, and, after beating him, brought him to Yggdrasill at their command
Its a toxic attacker when its alone and basically Mother of Runes when you have a better creature to use it on
I thought I would archive each of the cards he created, so others can have a look and see what you guys think about them