Runic Bracelet - Malformed Magic Item

I was going through The Compleat Spell Caster by Bard Games back in the early 80s. One of the magic items caught my eye. It goes a little something like this:

Runic Bracelet

This item appears to be a simple silver bracelet with runes engraved on it. A runic bracelet can be made to bestow up to 50% magic resistance to it's wearer, though its "anti-magic" properties have a tendency to cause the wearer's own spells and/or magic items to malfunction. There is a 1% chance of failure per 5% of magic resistance to cause the wearer's own spells and magic items to fail.

It's an interesting idea, but I thought there were a few other possible ways to do the same thing. I always enjoy brainstorming over old ideas:

1) Spell/Magic item failure could be same as the magic resistance it provides.

2) Wearer saves as a dwarf of the same level, some percentage of spell/magic item failure 10%-20%?

3) Wearer doubles Wisdom save modifier, some percentage of spell/magic item failure 25%?

It could have the same properties as the Anti-Magic Shell, but it doesn't fit within the spirit of the original item. I like this quirky little trinket.

This post contains OGC

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© 2015 Phillip Riley