Shroud in Darkness

Regalis Piece (You may only have one Regalis Piece in your deck, and use it a total of one time in a fight) If you did not ride from the ride deck this turn, this ability can be played without paying the cost. Play this with [COST][Counter-Blast 1]! Choose up to two non-sentinel normal units with different card names and the sum of their grades being less than or equal to your vanguard from your drop, and call them to (RC). If you called one or less cards, put this card into soul.