Draco, Natural Planet Queen

[Auto]: At the beginning of your attack phase, reveal the top five cards of your deck and put them on the bottom of your deck in a random order. Then, you may pay (C)(C)(C)(C)(C)(C). Decrease this Ener cost by (C) for every level one SIGNI revealed this way. If you do, vanish target SIGNI on your opponent's field with power 12000 or less.