Foucault's Cannon

Card text

[ Pendulum Effect ] Once per turn, during the End Phase, if this card was activated this turn: You can target 1 face-up Spell/Trap Card on the field; destroy it. [ Monster Effect ] ''A mechanized life form, roving through space-time. But the mysterious thing is that its memory i... m...stly gone. W...at is t...e reason? D..... refuse t... b.... interfered w...h?''