This is most likely just Riot prepping and testing for a hot fix / mini live patch sometime soon.
Balance Changes
Karma
- Focused Resolve ( W ) mana cost lowered to 70/75/80/85/90 from 70/80/90/100/110.
- Inspire ( E ) movement speed increased to 1.5 from 1.25
- Defiance ( Mantra E ) haste increased to 60% at all ranks from 20/30/40/50/60%.
- Gathering Fire ( Passive ) now reduces Mantra cooldown by a flat 2 ( down from 1/1.5/2 ) each time Karma damage an enemy champion and flat 1 ( down from .5, .75, 1 ) seconds on basic attack.