I like oxidize better than r and r in this deck. 3cc can be hard to reach when facing a prison deck.

hahahahah crack whores are tech

I tested one CoW in the md, and it seemed to me that sometimes it would cause me to hold back with the lavamancer. Granted, it can be really good and versatile, I just didn't like having to hold back the 2 damage. I do however, like one in the sideboard vs crucible control type decks and the like.