Man.
The knight faction is also great.
It would be easy if he was just arrogant noble that happen to br first born.
But looks like he have some quality on him
Alright so to sums up
Saki : rinshan and +- 0
Shizu : power to nullify power
Awai : all enemy normally got 4 shanten start and awai's daburi + 4 kan dora
Rinkai : power to feel the flow?
Finally, a good and realistic depiction of actual mage.
Extremely Strong in range but weak againts physical foes in close range.
Unlike "mage" nowadays that perfect in everyways and even shit on warrior in physical fights.