This set of traits contains an unavoidable logical contradiction. This means either logic is incorrect, or a Christian god cannot exist. Given the nature of logic, the latter is more acceptable.
To see the contradiction of a Christian god, it is only necessary to examine the implications of the final attribute: humans are an image of god. Assuming this is true, then god is equivalently an image of humans, perhaps with additional features. This means that god must act as a human; otherwise, humans are not an image of god, but something different. Given that, consider what a human would think of something that took no effort to create, and holds no surprises - everything is known in advance. A human would not consider such a thing to be worthy of any attention, if it wasn;t summarily destroyed. The concept of a merciful, omnipotent, omniscient, god that cares deeply abotu the fate of humans is therefore a contradiction; either god does not care, or humans are not an image of god.
This logical contradiction only applies to a Christian god; gods of other religions must be analysed with their own assumptions. This contradiction does not imply the non-existance of god, only that a god cannot have all the traits that define a Christian god.