Link
Expires 12/13/2018.
Also available
Get up to a $100 Bonus Points in Clash of Clans items*
When you buy a Google Play Gift Code using PayPal
Buy Google Play $10-$24.99, Get in-game items valued at $25
Buy Google Play $25-$49.99, Get in-game items valued at $50
Buy Google Play $50-100, Get in-game items valued at $100
Full terms here