public function random()
 {
     $builds = WinrateBuild::lists('id');
     shuffle($builds);
     $build = WinrateBuild::find($builds[0]);
     $build->load('itemsets.itemset_blocks.items', 'itemsets.champion');
     $items = [];
     foreach ($build->itemsets[0]->itemset_blocks as $block) {
         if ($block->type == 0) {
             $build->itemsets[0]->items = $block->items;
         }
     }
     return $build;
 }