[Const]: As long as you have no other SIGNI on your field, this SIGNI gains "[Auto]: Whenever this SIGNI attacks, you may pay (G)(C). If you do, put all SIGNI on your opponent's field into their Ener Zone."
[Auto]: At the beginning of your attack phase, you may turn up to two target SIGNI on your field face down. At the end of this turn, if a SIGNI is not in the same position as a SIGNI turned face down this way, turn that SIGNI face up.
