Since you lose your hand as a cost, you might want to use something like 'Null Brooch'
Okay, it is a game-mechanic that will not do anything before it is introduced
You may reveal an Aura card from among them and put it into your hand
If it is turned face up, it will have its front face up
Adamaro, First to Desire Akuta, Born of Ash Arashi, the Sky Asunder Ayumi, the Last Visitor Bounteous Kirin Celestial Kirin Cloudhoof Kirin Erayo, Soratami Ascendant Homura, Human Ascendant Iizuka the Ruthless Iname as One Infernal Kirin Jiwari, the Earth Aflame Kagemaro, First to Suffer Kaho, Minamo Historian Kami of the Crescent Moon Kataki, War's Wage Kiyomaro, First to Stand Kuon, Ogre Ascendant Maga, Traitor to Mortals Masumaro, First to Live Meishin, the Mind Cage Michiko Konda, Truth Seeker Mikokoro, Center of the Sea Miren, the Moaning Well Oboro, Palace in the Clouds Reki, the History of Kamigawa Rune-Tail, Kitsune Ascendant Sakashima the Impostor Sasaya, Orochi Ascendant Sekki, Seasons' Guide Skyfire Kirin Soramaro, First to Dream Tomb of Urami