The fifth card comes from a separate pool and, in this edition, is always one of the new variant art cards, featuring redesigned backgrounds, added visual elements, altered framing and short chat-style phrases in English or Japanese, resulting in artwork variants that are exclusive to Rarity Collection 5
this card's Level becomes the Level of that monster, until the end of this turn
(3) Once per turn (Quick Effect): You can target 1 card in either GY
Weak, but Skilled: Downplayed, Carson has a below average total statline of 8 (4 less points than the average 12) and is also frail with 6 health and sanity, and while none of his abilities compensate for his weakness, nor make him self-sufficent, he still can be very useful as a Support Party Member team player, enabling stronger Investigators than him do their job even better
I give this expansion a B+: it tries, and nearly succeeds to improve the narrative coherence while also providing cool new stuff