Purgatory Knights, Scrap Drill Dragon (C)
1
If this card has 3 critical or more, this card gets [Penetrate], and if it is 4 or more, when this card is attacking alone, its attack cannot be nullified. ■ [Counter] [Act] During your turn, destroy a monster on your field with "Purgatory Knights" in its card name. If you do, for this turn, this card gets critical+1!