Clash Royale - How could you farm these upgrades!?

Clash Royale - The game Clash Royale has only been out a few days and we are all discovering how it works! After some hard core battles I will have some great tips for you to avoid being smashed by the OP troops! Today we answer a question. Is it possible to farm? Or do you have to gem everything!?\r
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MUSIC: My attack - Robot Race\r
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Clash Of Clans\r
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Clash of Clans is an addictive mixture of strategic planning and competitive fast-paced combats. Raise an army of Barbarians, War Wizards, Dragons and other mighty fighters. Join a clan of players and rise through the ranks, or create your own Clan to contest ownership of the Realm. Driving back the goblins is just the first step - your quest isnt over until your clan reigns supreme over all others!\r
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Seller: Supercell Oy\r
Category: Games\r
Updated: Oct 22, new\r
Version: 6.322\r
Size: 52.9 MB\r
Languages: English, Japanese, Korean, Simplified Chinese, Traditional Chinese\r
© new, new, new Supercell\r
Rated 9+ for the following:\r
Infrequent/Mild Cartoon or Fantasy Violence\r
Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5, iPhone 6, and iPhone 6 Plus.