Rules:
Medecinal Herbs and Plants:
I believe herbs can be used to heal and do other things to help or hinder, and there is no need for a cleric's hand in this,
nor a ranger or any other device. In this day in age, modern sceince is finding that herbal medecines are curing things that they cannot.
In your adventures if you have a herbalist skills, and find these plants you may make your own cures, or buy them from a herbalist or any other place you may be able to find it.
Though buying will proably cost more than finding and making it yourself.
Mage Cantrips:
Weapon Specialization:
The Cantrip called "Color" was changed in the second edition to a shorter lasting form. I am using the
Unearthed Arcana version. Follow link to see cantrip rules.
Using mostly second edition rules, with a bit of Unearthed Arcana rules, these are the rules
for weapon specialization.