Changes
→TCG Rulings
* The effect that destroys 1 of your opponent’s cards targets that card.<ref name="Konami-SDMM"/>
* You can not discard “[[Machina Fortress]]” itself as part of the [[cost]] to Special Summon it.<ref name="Konami-SDMM"/>
* [[Discard]]ing Machine-Type monsters is a cost to Special Summon this card.<ref name="Konami-SDMM"/>