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 face-up "Green Gadget", "Red Gadget", and "Yellow Gadget", this card's ATK becomes 3000.
![Stronghold the Moving Fortress [BP02-EN188] Common](http://shamanraytcg.com/cdn/shop/products/3d0093ee-d741-5af4-8e2e-11f7a0d72810_{width}x.png?v=1639803327)
![Stronghold the Moving Fortress [BP02-EN188] Common](http://shamanraytcg.com/cdn/shop/products/3d0093ee-d741-5af4-8e2e-11f7a0d72810_grande.png?v=1639803327)
