Tried fooling around with the Reaper / Infected / Skeleton Axe sample, adding Graveyard and a few other cards.
When Graveyard is on my field, the Reaper used on an Infected results in a single 2|2 skeleton.
When Graveyard is NOT in play, the Reaper used on an Infected results in a single 8|8 skeleton.
Ideally I would like to see Graveyard + Reaper result in two skeletons (both 8|8 and 2|2).