Great Witch Doctor of Banquets, Negrolily

-Opponent Turn's Guard Step-[Choose a card with "[Heal] Heal" from your hand, and discard it] Call this card to your from face down. :[ 1 & Choose one of your rear-guards, and retire it] When this unit is placed on , you may pay the cost. If you do, choose up to one normal unit with "Ghostie" in its card name from your drop zone, call it to an open , and this unit gets +10000 until end of that battle.