*If the PCs tell me that they are building a party with the soul purpose of breaking as many of the rules on this list as possible, I'm required as a DM to just kill them all.
**If I don't, I'm required to prohibit anything Eberron to see how they can creatively fill the hole left by the lack of artificers and warforged.
*** Goliaths are never allowed in ANY campaign EVER again.