Deathrite Shaman is a little slower and more vulnerable than Courser, he also loses his other utility and costs you some mana should you be using him for life
Some smart plays include stopping a Basic Pokemon from reaching its strongest form, knocking out a vulnerable EX Pokemon for Prize Cards, or getting a Pokemon you need in the Active Spot while slowing down your opponent.
So with these four packs, you could have a red and black Bloody Graverobbers deck, or a red and white Bloody Legion deck, for example
So knowing we wont get another set quite like Rise, The Brothers War seems like a good way to capture that feel
Youre also rewarded when your illusions die, so one more argument for playing the clamp
Other creatures you control will revert to their usual creature types unless another relevant effect is affecting them