Feedback on marketing/ event promo

Hi! I attended the webinar offered today with Stephanie and Carolyn. They recommended reaching out for feedback on our marketing. We're a non-profit that hosts 5 fundraising events throughout the year. The screenshots below are from our most recent send out, the fourth regarding this upcoming event. It has a 42% open rate and 1% click rate. The subject line was 

I know it's a bit long, but this is the first of the four sends that teases gifts we'll raffle off. We also have 95% desktop users. 

Thank you!!