Best unanimous 3 skills :
1) Teleportation
2) Chain lightnings / Thunderstorm
3) Nether swap / Superconductor
Worst unanimous 3 skills : (This family is one with the most badly rated skills).
1) Breathing bubble /Mass Breathing bubble / Favourable wind
2) Apportation / Shocking touch
3) Erratic wisp / Vacuum touch / Vaporize