As most know, Shaman… is not a mechanic heavy class. I would love to have the class more mechanic heavy and add some difficulty.
First, totemic call is a great talent, but where it sits, strikes twice is a far far better option. If we could put totemic call in tier one and replace one of the stun options this would be great.
Now, the big mechanic that could give Shaman some real fun but reward play could be some kind of positionals.
For example, the Shaman would have elemental phases. during fire phase, the Shaman would have a damage boost if attack from the front. During ice phase the Shaman needs to attack from the side, and during lightning phase the shaman would need to attack from behind.
This is where totemic call would also come into play. You would have to throw your totems around the boss, teleport to the totem and start dpsing from there. The phases could work like a buff. Fire slowly depletes, and when it does, lightning buff starts. ect. They can also be timed with shaman totem re-spawns.
This is a rough idea but I could see much potential to make the Shaman class more mechanically fun.