Shaman · Restoration · tier 4 · from level 25

Restorative Totems

Rank 5/5

Increases the effect of your Mana Spring Totem by 25% and increases the effect of your Healing Stream Totem by 50%.

Doesn't change the damage or healing of any Shaman spell.

Averages, counting crits and misses, for a level 60 Shaman with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.