this is something i tought about for long long time and didnt know if possible to execute but after testing it last night it works well, really well.
so it goes like this :
#showtooltip Divine Shield
/cast Divine Shield
/stopcasting
/cancelaura Divine Shield
/cast Hand of Reckoning
point of the macro is for bosses like Festergut (the 9th debuff and the other tank is dead or just slacking)
it bubbles you and taunts and then cancels the bubble.
little warning : SPAM IT , other wise it WILL NOT cancel the bubble and this can end up funny