Shaman

Major

• Glyph of Lightning BoltLevel 154% more damage for your main spell: simple and effective.
• Glyph of Totem of WrathLevel 50When you drop your totem, you gain spell power yourself for 5 minutes.
• Glyph of Flametongue WeaponLevel 152% more spell critical strike chance while your weapon carries Flametongue.

Minor

• Glyph of ThunderstormLevel 70Thunderstorm no longer knocks monsters back and returns a little more mana: safer in groups.
• Glyph of Water ShieldLevel 20One more charge: Water Shield needs recasting less often.
• Glyph of Renewed LifeLevel 30No reagent to carry for Reincarnation anymore.

Other choices

• Glyph of Fire Elemental TotemLevel 68Fire Elemental Totem comes back twice as fast: useful in very long fights.
• Glyph of Water WalkingLevel 28No reagent to carry for Water Walking anymore.