Change #68d1d74af543357b045e939f:

Once every other session, you may reduce the complexity of a spell by one. Additionally, there is a 50% chance when this artifact is used that the spell has it's cost reduced by 2 (to a minimum of 2). → Once per session, you may reduce the complexity of a spell by one. Additionally, there is a 50% chance when this artifact is used that the spell has it's cost reduced by 2 (to a minimum of 2).