Shaman

Major

• Glyph of StormstrikeLevel 40Stormstrike boosts the Nature damage that follows even more: a good damage gain.
• Glyph of Fire NovaLevel 15Fire Nova comes back 3 seconds sooner: a big gain against several targets.
• Glyph of Flametongue WeaponLevel 152% spell critical strike chance per enchanted weapon: up to 4% with two Flametongue weapons.

Minor

• Glyph of Water WalkingLevel 28No reagent to carry for Water Walking anymore.
• Glyph of Renewed LifeLevel 30No reagent to carry for Reincarnation anymore.
• Glyph of Water ShieldLevel 20One more charge: Water Shield needs recasting less often.

Other choices

• Glyph of Feral SpiritLevel 60Your spirit wolves hit harder thanks to your attack power.
• Glyph of Fire Elemental TotemLevel 68Fire Elemental Totem comes back twice as fast: useful in very long fights.
• Glyph of Water BreathingLevel 22No reagent to carry for Water Breathing anymore.