I've looted a couple of my own masters and purchased a few but here they are:
Grim Spellbinder
Mend Bones
Shadowy Stalker
Unholy Covenant
Devour Health
Grisly Stele
Accursed Cloud
Eternal Bindings
Grim Terror
3 master pets - twas nice ... and the cool thing was that I got them when I needed them.
Baz