Add in cards like Undermine and Vile Consumption to force your opponents to pay life on their turns, and you have an exciting control deck coming together
Action cards like Steal from the Rich give disruptive tempo swings, while items such as the Longbow add consistent damage and control over the board
Eldrazi Unbound features lots of Eldrazi cards and some new big colorless spells
Lockes greatest weakness as a commander is that Coram, the Undertaker has basically the same ability but with casual Commanders best color attached, while Locke gets points for Treasure synergies
As a card, Vren comes with a built-in Ward 2 to keep him safe, which is great since you know Vren will get targeted immediately
Interaction As much as we'd like to power through our deck right to our wincons and declare victory, our opponents will be trying to do the same