It's neat to be able to grab a block, but the good False Prophet already does that. It's good to grab a resurrection of an Angel or John, but Aquila already does that. It's good to grab a way around CM for non-banders, but Music Leader already does that. No card does all three, which means there could possibly be decks that find a place for R&A for those merits.
Beyond that, Defrauders, Merchants, SSoS and other elements of evil recursion are likely to bring discard removal's usefulness up by a lot.
