You should be able to use some of the lower-priced artifacts in our artifacts shop instead.
To get to the artifacts shop, click the red square on the learntomod homepage.
Make sure you buy the vox-l game artifact first (that's free) then buy whatever else looks like it'll suit. Make sure after buying the toggle is switched to enabled.You can earn points to buy artifacts by completing quests. To get to a quest, press the black wheel button in the upper left corner of the website.