You can Tribute 1 Machine monster whose ATK equals its own DEF; Special Summon from your Deck, 1 Machine monster whose ATK equals its own DEF, with a lower Level than the Tributed monster. You can banish this card from your GY; add to your hand, 1 of your banished face-down Machine monsters whose ATK equals its own DEF. You can only use each effect of "Gizmek Naganaki, the Sunrise Signaler" once per turn.