Diabolical Hardcore!

Magic World :This card cannot be played, and you can use its ability if you did not resolve the ability of an Impact order this fight! (Hand):At the end of your turn, if your opponent's damage zone has four or less cards, and you have three or more 72 Pillars rear-guards, [discard this card & pay three gauges & declare final phase], choose one of your opponent's vanguards, and deal one damage.