In the second printing, the Animal Trainer section of the Pluto's Refugees arena has been adjusted. The new wording:
"Local rival units will not mark or target arena beasts. All local units ignore [innate] Combat Lock on arena beasts. Arena beasts will not mark or target local units and, when using [innate] Roaming to move, do not stop moving if adjacent to only local units."
See below for a comparison of the original arena card to the new arena card (these cards can be distinguished by the ID code on the side, with the original being card 1004 and the updated card being 2004):
First print:
Second print:
