Mistake is a hard counter to many meta decks such as Virtual World, Fire Fist, and much more, since they all rely on adding cards to their hands to flood the field
He attempts to escape, only to be cornered by Toru and Misaki
[F][C][C][C] Sand Press: 180 damage
Soldevi Adnate Soldevi Adnate looks an awful lot like Priest of Yawgmoth, but the flexibility added by letting you sacrifice creatures and artifacts is huge
In my opinion, the true strength of the deck lies in the fact that your range of powerful gameplans is varied- you can of course simply produce a Grief or Fury on turn one, however a simple Ragavan into Thoughtseize or Orcish Bowmasters into Fable of the Mirror Breaker are often decent enough curves to create a dominant presence on the board
Note that Colossus granting trample will do weird things with your Deathtouch creatures, so file that one away in the back of your noggin for a bit