What types of lead magnets work best to attract higher-level prospects for our agency side?

So we're going to move those people to pitch our membership group, but we want to create a new lead magnet, similar to your idea of elite owner operator. But it's specifically for real estate agents who make $500K or our number is more like 300 and up, but what type of the lead magnets do you find work better for attracting that type, or do you go straight to hire us to do it for you?