Obviously, you first need to find a casino that offers war and check to see how many decks of cards are in play.
http://horsecity.ru/phpBB3/viewtopic.php?f=34&t=223855
https://ufr-2020.front5.picapo.net/forums/viewtopic.php?pid=422153
https://surron-forum.de/viewtopic.php?t=781383
https://basn63.ru/forum/viewtopic.php?t=5241
http://www.gztongcheng.top/forum.php?mod=viewthread&tid=31634&extra=
http://forum3.bandingklub.cz/viewtopic.php?f=49&t=1100533
https://lasthopewow.ucoz.ru/forum/16-3352-1#25576
https://debate.socialism.nl/forum/showthread.php?tid=167344
https://basn63.ru/forum/viewtopic.php?t=16337
http://forum3.bandingklub.cz/viewtopic.php?f=35&t=1189972
https://schola.etosweb.pl/viewtopic.php?t=232313
http://forum.bandingklub.cz/viewtopic.php?f=38&t=1151009
http://biopharmamash.com/viewtopic.php?t=941039
https://canadianuniversal.com/stories/showthread.php?tid=51231
https://www.zsohbet.org/forum/index.php/topic,68738.new.html#new
https://talk.hyipinvest.net/threads/262904/
https://talkingpoints.org/subx/showthread.php?tid=2712
https://basn63.ru/forum/viewtopic.php?t=10463