Minion copy bugfix
Minion copy bugfix

Got taco's MCTS AI to work with this fix.

anuragpapineni/Hearthbreaker-evolved-agent,kingoflolz/hearthbreaker,jirenz/CS229_Project,pieiscool/edited-hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,pieiscool/edited-hearthbreaker,Ragowit/hearthbreaker,anuragpapineni/Hearthbreaker-evolved-agent,slaymaker1907/hearthbreaker,slaymaker1907/hearthbreaker,noa/hearthbreaker,danielyule/hearthbreaker