Collectible Card Game Headquarters

Sorry if this was asked before but i readed this sub-forum and i cant find what im looking for...
i tryed to play challenge, i started the game it says challenge #1 tribal trials y choose that, it procces rules engine(the garfield card) and it says i lost the game :S what im doing wrogn? i tried in limited and customs and same for both

thxn!!!

The deck construction rules are here:

http://www.slightlymagic.net/wiki/Challenge_Mode

Also remember that you must use a Type 1 / Vintage legal deck. The autoloss is because your deck is not legal.

Thank you very much, im going to play it right now!!!