Blur

Ranged spell
Daily
Target: 
You or one nearby ally
Effect: 

For the rest of the battle (or for five minutes), attacks against the target miss 20% of the time.

3rd Level Spell: 
The spell is now a quick action to cast.
5th Level Spell: 
Miss 25% of the time.
7th Level Spell: 
Miss 30% of the time, and you can now target 1d2 creatures with the spell.
9th Level Spell: 
Miss 30% of the time, and you can now target two creatures with the spell.