So prior to 6.0 whm MP econony during 2 minutes was:
5~ GCD saved through Thin Air (minimally saves 2000 mp) & 4 Lilies (1600 mp) and 1 blood lily (400 mp) for a total of 4000 mp.
Now in 6.1 it's:
2 GCD saved through Thin Air (minimally 800 mp) 6 lilies (2400 mp) and 2 blood lilies (800 mp) for a total of 4000mp.
It seems like WHM mp economy is back to what it was.