Change #68d1d172f543357b045e936b:

At the cost of $40, the wielder of the Book of Markus may increase their Export or Import capacity by 1 for the session. A maximum of $400 may be spent on this artifact per session. → At the cost of $80, the wielder may increase their Export or Import capacity by 1 per era for the session. A maximum of $400 may be spent on this artifact per session.