#showtooltip Fortifying Brew
/cast Fortifying Brew
/cast Dampen HarmFires Fortifying Brew and Dampen Harm together. Neither costs a global cooldown, so stacking them on one key gives you a large instant reduction when a tank buster lands.
Your main direct heal pointed with the mouse. Mistweaver healing is fast and reactive, so removing target swaps from the loop is worth more here than for most healers.
#showtooltip Vivify
/cast [@mouseover,help,nodead][help][@player] Vivify