PCem

I have been trying for far too long to get working my disc copies of a non-English version of the Magic - The Gathering computer game from the late 90s. I finally got a Windows 98 box up and the game installed, but I am having serious graphical issues and have no idea how to proceed. I've tried a few settings, but I am just guessing. I am very keen to get this sorted as this is the only way that I have found to play these discs so that the game does not run at a ludicrous speed.

Here is a screencap: