No more Macros in WotLK?

[Ken]

/t [target=Ðeceased,exists,nodead] [target=Kaiya,exists,nodead] [target=Shimii,exists,nodead]
/a
/use [harm,nodead] 13
/use [harm,nodead] 14
/cast [harm,nodead] Natures Swiftness
/cast [harm,nodead] Elemental Mastery
/cast [harm,nodead] Chain Lightning
/cast [help,nodead] Lesser healing Wave

You can make that smaller:

/a [target=Ðeceased,exists,nodead] [target=Kaiya,exists,nodead] [target=Shimii,exists,nodead]
/cast [help,nodead] Lesser healing Wave
/stopmacro [help][harm,dead]
/use 13
/use 14
/cast Natures Swiftness
/cast Elemental Mastery
/cast Chain Lightning

[edit] and you might be able to cut out some spaces to make it even smaller. This way you can extend your macro if you need to.
[edit] also removed the /t because /a is enough