6eeba363_onsters___Yu_Gi_Oh__Card_Guide__Card_Text
[Card Name] D.D. Jet Iron [Type] Effect Monster [Attribute] LIGHT [Sub Type] Machine [ATK] 4000 [DEF] 0 [Card Text] 
Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by sending 1 "D.D. Esper Star Sparrow", "Beast-Warrior Puma", "Phoenix Beast Gairuda", and "Ironhammer the Giant" from your hand and/or face-up from your side of the field to the Graveyard. You can Tribute this card to target 1 "D.D. Esper Star Sparrow", "Beast-Warrior Puma", "Phoenix Beast Gairuda" and "Ironhammer the Giant" in your Graveyard; Special Summon those targets.
Yu-Gi-Oh! Level 10 Monsters - Yu-Gi-Oh! Card Guide