Use your skills as they're arranged on the skill bar as soon as they're off CD. Use flash wave on the team when multiple people are wounded for a massive heal over time effect. Use Nature's Blessing & Inner Peace (combo) when at 30 to 50% mana or when opening's permit. Follow up the DPS chain or Nature's Blessing/Inner Peace combo with High Focus (cool down reduction).
Gear is flexible, you're looking for Str, Dex, critical chance, health, CDR.