Fixed the bug mentioned in commit 0fe02b4f91103a50a72d7e935a9f496c9a5e395a

When a game was created, the other_player field was not being correctly filled in.
Fixed a type on the test function for Kirin Tor Mage, and updated max spell cost

 See comments on commit 2b506c8bf2767efaf1395a897235866a8882bfeb