Neither? The only option here is Arbiter.

This is more for a Tag Arena option. Arbiter will be in another team, and I wanted something different for tag. 

Then just use whoever your fastest person is. The most important part is just being fast.

Neither.  Blender is a terrible comp 

Just curious, what makes it so terrible?

Easy defense against, almost all go2nd team killing them, which is builded fine. The win against the speed teams is just luck, because you dont know the enemy how fast if they step first, you die.

That's been my experience with most teams lol That's why I was playing with the idea of using Psylar in stun set.

No matter your stun set, dont step, die. Go2nd team same story. Shield set + Brogni you die. Seeker passive decreasing your damage. Stun set its not a divine power, proc percentage is just luck and i didnt talk about high resist,block debuff etc. Blender team horrible idea. Worked maybe 1 week when came this idea to Raid,maybe you will win against the worst players, or sometimes when you have luck, but overall you wont.

If you want to do it because it's fun, go for it. I would do seeker with his atk up and make him as fast as you can. 

Deleted provided you with the correct answer. 

Blender is probably the worst speed comp because it can be countered with 100% success by multiple go 2nd comps.  And your entire success on offense is based on you going first.  So if you are building a speed team, you want to make it as difficult to counter as possible.  Now if you have no desire to advance in Tag it doesn't really matter, in classic arena it doesn't really matter.