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