Macro Description

Hysteria can be cast on another player or yourself, this will take care of that as well as adding any other buffs. This check if you are targeting a friendly target, if you are then it will cast hysteria on that player, if you are not then it will cast hysteria on yourself. The last part is the addition of racials / trinkets, this macro will only cast them if you are targeting an enemy player, if you are targeting nothing a friendly player then you will not use them.

Macro Code

/cast [noharm, exists] Hysteria;
/cast [target=player] Hysteria;
/cast [harm,exists] Blood Fury; ( racial )
/use [harm,exists] 14 ( 13 or 14, depending on where your trinket is )