Wait. It looks like the backs of the cards are different. If that's the case then these are useless because you'll be able to figure out what cards an opponent might be holding.
there was an article about magnetic hill in new brunswick, canada today on CBC: http://www.cbc.ca/canada/new-brunswick/story/2010/05/14/nb-magnetic-hill-mystery-solved-1019.html?ref=rss
Sharks usually do not try to eat people. But every once and awhile they'll take a bite at a foreign object to see what it is. Only 4 out of 360 species of shark have ever attacked a human.