Leather bracelets with MtG symbols on 'em! I went with the card colors, so black symbols on a colored background. These are all for sale on Etsy!

White: https://www.etsy.com/listing/171388021/leather-bracelet-with-white-symbol-from
Black: https://www.etsy.com/listing/171389233/leather-bracelet-with-black-skull-symbol
Red: https://www.etsy.com/listing/171388775/leather-bracelet-with-red-symbol-from
Blue: https://www.etsy.com/listing/171387381/leather-bracelet-with-blue-symbol-from
Green: https://www.etsy.com/listing/171386393/leather-bracelet-with-green-symbol-from