Channel Mercy: When you use your channel positive energy ability, you may choose to channel one of your mercies instead of healing.
Possible Options:
Usable a number of times a day equal to your channel bonus.
Usable a number of times a day equal to your charisma modifier.
Consumes 1 additional use of your channel energy ability.
Channel energy xd6 required.
Knowledge (religion) x ranks.
Heal x ranks required.
I would also like to see:
Heightened Channel: When you use your channel energy ability you heal/harm an additional +1d6 points of damage.
Options: ....see above