Wizard Lock (Arcana)
Level: Mage 1
Mana: 1. Long duration. Base Success: 75%.
  Magically closes, locks and wizard-locks all doors you can perceive. The DC to pick a wizard-locked door's lock and the DC to break it down each increase by +10. You can open one of your wizard-locked doors instantaneously with a mental command when next to it. You can close one of your wizard-locked doors normally. Doors that are already wizard-locked are unaffected by this spell.