Sindragosa_IceTombMonitor - is a separate standalone mod of PhoenixStyle addon.
It shows Ice Tomb's HP on Sindragosa.
/sindra or /sindragosa - for test
Example video:
http://www.youtube.com/watch?v=tsRnN1mpPKw
http://www.youtube.com/watch?v=1EWCns6LEvg
P.S. marks on tombs are different from marks that were on players, there is no way for the moment to mark tombs with the same marks.