I run 5 Shacklebreaker, 5 Lich (with resto), 1 Domihaus, and 1 infused AS fire staff with shock enchant. On my lizard, my sustain is pretty darn stupid.
Front bar:
Endless Fury, Crushing Shock, Hardened Ward, Crystal Frags, Inner Light, Shooting Star
Back bar:
Haunting Curse, Healing Ward, Boundless Storm, Streak, Inner Light, Suppression Field
The most shield stacking I do is hardened and healing ward. I just don't like wasting magicka or a slot for some other shield. And I like having Negate to deal with NPCs and players alike.
For the love of Kyne, buff sorc. PC NACP 2100+Star-Sïnger - Khajiit Magicka Sorc - EP Grand Overlord - Flawless Conqueror vMA/vBRP/vDSA no death/vHel Ra HM/vAA HM/vSO HM/vMoL HM/vHoF HM/vAS +2/vCR+3/vSS HMs/vKA HMs/vVH/vRG Oax HM/vDSR