Mind Focus (3rd level Mage Spell, 4th level Cleric Spell) 4.5 mana/karma
There is a spell that allows you to do away with the spell Fumble at all. The idea is that the spell sharpens your mind to the point that you can not be knocked off the thought.
at 4th level (Mage) and 5th level (Cleric) 6 mana/karma
A spellcaster may cast a greater version of the Mind Focus to enable them to throw two spells that require concentration.
(As long as we don't refer to them as 'zero' level spells - I'm much better with them.)
We will allow cantrips as the book suggests. Each one costs .5 mana