Since nobody has responded to you, here goes. In general you will need all of your player buff spells lines, Str, Dex, Agi, Sta, Cha. This link below is all of your spell.
http://wiki.project1999.com/Shaman#Spells .
Spells i would avoid are things like sense animal, spirit pouch, fleeting fury line of spells once ur past lvl 9.
Spell lines that are a must, heals, cures, slows,disease/poison dots (damage over time), malo line of spells, melee debuff line (dismepower), Cannibalize and your nukes.
Spells that are important: Gate, Bind Affinity, Levitate, Enduring Breath.