New Boards Series - Ultimate Edition

So i thought i would start a kind of different things on the boards. I was going to start a series thing where i create a original ultimate and what kind of champion it could go on. Something like this

Class-Support Type-Enchanter(Not really sure) Description- Cast a veil in a large circle around you. Anything living in this Circle cannot be damage and after 2.5 seconds all champions(or just enemies) in the veil get knocked back 500 units. Per Level-Knockback distance increases by 50 for each point in ult. Cost-100 Mana Cooldown-120/100/90