Lets see the Steam Gamer x Poominati venn diagram!

I finally won on hard mode, but I'm not certain if the way I won was intended. I had the tortoise card that moves each turn and provides an adjacent card a point. For some reason it kept accumulating strength it gained during a level. I then could copy it, and the copies would also gain strength. So by the end of the game I had a few of these tortoise cards in my deck that had over 30 strength. I didn't see any artefacts in my collection that would cause it to retain points. Anyone else experience somethi...