/assist <p0>
/wait 1
/attack <t>Picks up whatever your party leader is fighting and attacks it. Keeps the whole party on one target without anyone calling it out loud.
The core White Mage macro. Opens a player selector so you choose who to heal without losing your enemy target, and falls back sensibly if you cancel out.
/ma "Cure IV" <stpc>
/ma "Cure IV" <me>