Aged out of foster care, Eric Grid needs to learn magic if he wants to become rich competing in a high stakes poker league controlled by the mafia.
You are showing us two story points that are not naturally connected.
If a person wants to get rich playing poker, they would learn to play poker.
Instead, you say the lead character wants to get rich playing poker, so they must learn magic.
How do those elements connect, how will magic help a person become a better poker player?