Machina Force

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of Commander Covington. You must pay 1000 Life Points to declare an attack with this card. You can send this card from the field to the Graveyard, then target 1 "Machina Soldier", "Machina Sniper", and "Machina Defender" in your Graveyard: Special Summon those targets.