Flying Pegasus Railroad Stampede

If this card is Normal or Special Summoned: You can target 1 EARTH Machine monster in your GY, except "Flying Pegasus Railroad Stampede"; Special Summon it in Defense Position, but its effects are negated. You can target 1 other face-up monster you control; the Levels of both that monster and this card become the same as the current Level of 1 of them. You cannot declare attacks the turn you activate this effect, except with Xyz Monsters. You can only use each effect of "Flying Pegasus Railroad Stampede" once per turn.