Target blue SIGNI on your field gains "[Auto] : Whenever this SIGNI attacks, declare a number less than or equal to the level of your opponent's Center LRIG. Look at your opponent's hand and your opponent discards all SIGNI without a [Guard] that are the same level as the declared number" until end of turn. If it is a [Piruluk//Fesonne, Code: Heart], awaken it. (SIGNI stay awakened for as long as they remain on the field.)
[Life Burst]: Down up to two target SIGNI on your opponent's field.