http://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=8151&keyword=&tag=-1
http://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=13025&keyword=&tag=-1

trap monster become face down will not cause RESET_MSCHANGE

since add_process() uses push_back()

Now operation_param is only used in move_card(), discard_deck().

Now a player can remove 2^16-1=65535 counters in both ways.