If I purchase a Lotto/Megamillions ticket with the $100,000,000 plus Jackpot,and I donate it in the name of a?

and I donate it in the name of a non-profit charitable organization to a Hospital/church/other charity anonymously secretly,Is is sin?should I be considered evil?Where is the greed,covetousness,ect? Should I repent of this evil or sin? Is it any different than playing poker,dominoes,or any other game without any monetary physical gain?Since I am giving it away as a gift with no strings attached?What do you think?