Magnetism Generation

With its applications you can: push and pull matters, disrupt the signal of electronic, surround yourself inside an aura of Magnetic defensive and/or offensive purposes, possibly becoming almost untouchable and granting them various abilities/attacks (anything this power can do but on a smaller scale). The aura may also give the user enhanced physical capabilities such as speed, strength, and durability, Release magnetic blast (can generate electricity by a powerful enough Magnetic Field) on a specific target area, can sense magnetic stimuli, can fly.

What type of defensive and offensive techniques will you use with this in combat to fight and protect yourself?

Note: your body is a body of a normal human even if you have this power (when you not using aura), so be careful.