If I take out the 'else', I get Parse error: syntax error, unexpected $end in /home/needtake_jen2/public_html/diamond/etcg/mastered.php on line 368.

That said, I've found that using the original version of mastered.php (I downloaded the easyTCG script files) with the rest of the code makes the decks display correctly on my mastered page. I'm not sure why.