Thumb Score: +22

Amazon [amazon.com] has Magic: The Gathering: Avatar: The Last Airbender Beginner Trading Card Box for $29.99 – $12.29 when you ‘clip’ the coupon on product page = $17.70.
Shipping is free with Prime or on $35+ orders.

Savings
Coupon price $17.70 (clip on the product page)

amazon.com/dp/B0FHJGN2S6 [amazon.com]