Arcane Cat Burglar

General Feat (Prerequisite: Level 4+)

Your experience picking locks begins to help you unlock the arcane. 

Arcane Sense: You can use perception and passive perception to notice magical spells and effects placed as traps or locks.  

Arcane Lockpick. You always have Detect Magic and Dispel Magic prepared. You make the check for this spell as a Thieves Tools check instead. You can cast each of these spells a number of times equal to your Proficiency Bonus without expending a spell slot. Uses restore on a Short or Long Rest. You can also cast these spells using spell slots you have of the appropriate level.