4fd932d3_onsters___Yu_Gi_Oh__Card_Guide__Card_Text
[Card Name] Gearspring Spirit [Type] Effect Monster [Attribute] DARK [Sub Type] Machine [ATK] 100 [DEF] 100 [Card Text] 
Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by having only Machine-Type monsters in your Graveyard (min. 1). Once per turn: You can target 1 face-up monster your opponent controls; its ATK becomes 0 until the End Phase.
Yu-Gi-Oh! Level 8 Monsters - Yu-Gi-Oh! Card Guide
Card Text