Shaman

Major

• Glyph of Earth ShieldLevel 5020% more healing, delivered steadily on the tank and rarely wasted.
• Glyph of Chain HealLevel 40One more target for Chain Heal, which triggers your healing effects more often.
• Glyph of Earthliving WeaponLevel 30Earthliving Weapon triggers more often, especially with lots of Chain Heals.

Minor

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

Other choices

• Glyph of Lesser Healing WaveLevel 20To focus on healing the tank, in 10-player raids or dungeons.
• Glyph of Fire Elemental TotemLevel 68Fire Elemental Totem comes back twice as fast: useful in very long fights.