I was dubious, to say the least (Ive never been a big fan of vehicles in Magic, and this felt similar), but after playing with one of the Edge of Eternities precons for the past few weeks, I have to admit that its an excellent deck
Compared to Mana Drain the Capture is god awful but then that is no surprise, I deem the Drain to be too overpowered for fun cube play, one of a very select few cards outside the original base set cards that manages to get there (along with Strip Mine and Tolarian Academy)
At the beginning of each end step, if Wolverine dealt damage to another creature this turn, put a +1/+1 counter on him
Using Tiana You could just use Tiana the good ol fashioned way and exert her for lore each turn, and it wouldnt be the worst option
Dimir is much more subtle than Boros, Gruul, or Simic, but stabilization and multiple connects with an encoded spell can usher in disaster