Roufa's random sorting

gistfile1.aw

<?php

$results = array();
$terms = array(1, 2);

foreach ($terms as $tid) {
  $result = NULL;
  $query = new EntityFieldQuery;

  $query
    ->entityCondition('entity_type', 'node')
    ->fieldCondition('field_event_type', 'tid', $tid, '=')
    ->propertyOrderBy('created', 'DESC')
    ->pager(10);

  $result = $query->execute();

  if ($result) {
    $results += entity_load('node', array_keys($result['node']));
  }
}

shuffle($results);
$sliced = array_slice($results, 0, 10);
dpm($sliced);