Sounds fine on the surface, but I can think of a bunch of sacrifice-oriented decks that would just laugh at this
On the other hand, if you are centered on combat, there is little asset that can be used for combat at low levels, and you should give up the correction value of low -level iron or hands, or the correction of the investigator function, and use the existing low -level guardian weapon asset

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For my own personal playstyle, I tend to embrace and mitigate damage along the way, making Carolyn less of an exciting inclusion