Gambling is never a good proposition because its twin sibling is called addiction, and all addicts are blind to their own addiction.
Besides, it is NOT a question of whether the Lottery is evil or, in the minds of many, controlled by Satan – and by the way Jesus is in control of everything, even if the dark forces sub-manage or sub-control certain aspects of life, their sub-control ultimately fits God’s purpose. The REAL question is: What is one’s motivation for playing?
Is it Greed? Or is it the desire to become a Millionaire?
More often than not, the motivation is always the love of Money or people trying to avoid work, the anti-theses of everything the word of God teaches – for example: “you have to work to eat,” “the love of money is the root of all evil,” etc.
Are you free to play as a Christian? Sure. But is it beneficial?
“’I have the right to do anything,’ you say–but not everything is beneficial. ‘I have the right to do anything’ – but not everything is constructive.” 1 Corinthians 10:23
“Better is a little with the fear of the LORD than great treasure and turmoil with it.” Proverbs 15:16
However, if you are going through a rough time, and somehow, some way God whispers in your ear to drop a buck on a ticket and you end up winning, then all power to you!
Still, the flip side is addiction through which you may end up losing a lot more. See Has God Planned BIG Things for our Lives?