The magazine costs £4.99 in shops, so doesn't seem bad. Just cancel the direct debit after the second issue.
"We are offering you the chance to save yourself some money and try the first 3 issues of the magazine for just £5! The magazine itself costs £4.99 from the shops, so already you are saving yourself almost a tenner!
If you like what you see in those three issues, then you don't have to do anything - we'll continue your subscription with us for just £13.46 every three months and you will continue to save 30% off the shop price!
Direct Debit only (every 3 months):
£13.46 with your first 3 months only £5
*Offer for new UK Direct Debit subscribers only.
Click here to subscribe to this offer (code CLRW12)"