It could be something like Warlocks Seed of Corruption, but instead of doing dmg, it would heal.
Yea I know haven't been thinking this too much but just my idea. Before the flaming starts, you guys could try to invent a better way to
fix pallies raidhealing 'problems'. (Altough it's fine for me that pallies don't have any real aoe-raid-healing-spells but w/e.)
I'm from Finland so my english sucks. No can do. 8)