Dark Quetzal, Phantom Dragon Queen

[Const]: As long as there is at least one level one, one level two, and one level three SIGNI underneath this SIGNI, it gains "[Auto]: Whenever this SIGNI attacks, target SIGNI on your opponent's field gets -12000 power until end of turn." As long as there are two or more of each level, it also gains [Assassin].

[Auto]: At the beginning of your attack phase, shuffle your deck and put the top four cards under this SIGNI. (Put them face-up.)