Board Thread:Fun and Games/@comment-4199482-20180517185727/@comment-31661832-20180525154810

And as I said, that's exactly the point. They want to encourage stone sales by leaving the steps incomplete. If you're truly F2P it won't watter because you'll never buy anything period, but some people on the verge of becoming P2W could be encouraged to finish those steps.

In either case everyone gets 10 free cards, but Bandai would also get a few new paying customers.