Stronghold the Moving Fortress | YGLD-ENC39

Set: King of Games: Yugi's Legendary Decks
Number: YGLD-ENC39
Rarity: Common
Attribute: TRAP
Card Type: Normal Trap
Description: Special Summon this card in Defense Position as an Effect Monster (Machine-Type/EARTH/Level 4/ATK 0/DEF 2000). (This card is also still a Trap Card.) While you control a "Green Gadget", "Red Gadget", and "Yellow Gadget", this card gains 3000 ATK.