1 DARK Tuner + 1 or more non-Tuner Machine-Type monsters
Once per turn: You can target 1 'Reactor' monster or 'Flying Fortress SKY FIRE' in your Graveyard; Special Summon that target, ignoring its Summoning conditions. If this card is destroyed and sent to the Graveyard: You can Special Summon 1 Level 5 or lower Machine-Type monster from your hand.