Mistwell said:
...It does not add an extra action into a round. You always had that action. It's one swift, one move, and one standard. Same number of actions.
The difference is you add a potential host of possibilities to the Move Action. NOT a good idea. The more actions (other than actually moving) you grant the more deadly each round becomes. This is NOT a good idea as a bad choice for one round becomes more unrecoverable than it is already.
Overall, it is not a good idea to allow Move Action to be used for actions not intended to be related to moving in some way or already defined as a move action (you currently can use move actions for drawing a weapon, for example).
I am certain if you allowed this you'd be the victim of all sorts on unintended consequences as a result of allowing that move action to be used for many things not already defined.
The real answer for this is to choose one of the following:
1. Not allow Swift/Immediate actions to be used in place of a Move or Standard Action. This does not seem to me to be a very good choice as being unreasonably restrictive.
2. Define (perhaps as it comes up each time) every Swift/Immediate Action as doable either in the place of a Move Action or in place of a Standard Action. Careful, though - Move Actions may be done twice a round! Odd things may happen in some cases. This way carries extra administrative burden and some very significant risk of unintended consequences.
3. Allow Swift/Immediate actions to also be taken as a Standard Action, but not as a Move Action. This seems to be to be an excellent way to go. It's very simple and easy to adjudicate and solves the weird problem of a Swift Action not being allowed to be done more "deliberately," as it were.
As for the badge and spell under discussion, they are both Swift Actions precisely so only one may be used - else one or the other could have been a "Free Action." Under my proposal you could use both, but that would be useless.
Swift Actions are designed to force you to choose one. Once you've done one, you do not get another (or an Immediate Action). Free Actions are for when you do not care if it gets done more than once in a round, or in addition to a Swift/immediate Action. Allowing one to give up a Standard Action to do a Swift Action seems only slightly generous. Allowing one to give up a Move Action to do so seems like being overly generous.