g ives more a chance at having more bodies for my combo
I would say in this case splitting it up is actually better, just like in harvest golem. The reason is you know that the sludge belcher (just like harvest golem) must be taken down with 2+ sources of damage since it's a deathrattle, whereas with Silver Hand Knight it's a battlecry, so it can potentially be taken down with one source of damage such as a +1 Swipe.
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