Your code doesn't compile :) Fix those errors first

Global symbol "@startingdeck" requires explicit package name at pm8964
+10.pl line 6.
Global symbol "@random_card" requires explicit package name at pm89641
+0.pl line 14.
Global symbol "@startingdeck" requires explicit package name at pm8964
+10.pl line 14.
Global symbol "$file" requires explicit package name at pm896410.pl li
+ne 16.
Global symbol "@random_card" requires explicit package name at pm89641
+0.pl line 16.
Global symbol "@starting_deck" requires explicit package name at pm896
+410.pl line 17.
Global symbol "$file" requires explicit package name at pm896410.pl li
+ne 17.
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