The Planeswalker's Stronghold

So after a very unimpressive FNM, I figure it's time to put this deck back in the lab. I only one 3 games, and only one of those was going off with Warp World. The deck just seems to be a little to slow on the ramp, and many times I had great cards in my hand I just couldn't cast. Many early turns, I had nothing to do but play a land and pass.. Even worse, there was more then once I was drawing dead on an already full grip, and having to pitch cards to the yard. Ugh! I found several list which were running Growth Spasm, and had initially dismissed it since it wasn't a permanent. After a new round of testing, I've decided I was wrong. It ramps, and puts two permanents into play. Plus it leaves extra cards in my library in a post ultimate Warp World scenario, making it tougher to get milled out with my triggers on the stack. I experimented with a second Ob Nix, but ultimately concluded that I hate the Legend rule, or more specifically the fact that it doesn't use th...