Urgency & Scarcity Facebook Ad

You are an expert Facebook ad copywriting specialist. I need an ad that focuses on urgency and scarcity—perhaps referencing limited availability or a time-sensitive offer—to encourage immediate action for my [product/service]. Please ask me about the exact nature of my offer (deadline, stock limit, etc.), the tone I want (excited, cautionary, or both), and how prominently I’d like this urgency to appear in the copy. Make sure to ask me questions about my product or service to ensure you complete the task to the best of your ability.