megamillioncashrewards michael anderson general manager,john peterson called told me i won $855,000,and a car go to wal-mart get a card for $200 send them the number las vegas Nevada

called me on the phone told me i have won $855,000 and a car,that i was selected because i always paid my bills on time,and was chosen from a drawing of so many others.then i had to call a number with a conformation code which is 543211 there phone number 866-996-5997 then they gave me a package no.5757770 so i was to go to wal-mart and get a invitation card green dot money back scartch card for $200 call them and give them the number then they would deliver the $855,000 and the car a mercedes the drivers name is chuck jones the reason they told me it was for ID purposes and so they would comply with the law,so they would not get in trouble with the IRS i hope this is not for real this transaction is pending i keep stalling them till i find out what this is about? please let me know whats going on as soon as you can