Mistvault Bridge

The dual-land archetype that trades untapped speed for a keyword: enters tapped, fixes two colors, and refuses to die. That indestructible clause justifies running one over a painland or a checkland, and it does specific work. Land destruction, board wipes that catch noncreature permanents, artifact sweeps: none of it touches this. Sacrifice effects still work, and it still enters tapped, so the card is not immune to being neutralized, just to being blown up. The tapland drawback is the price, and it is a real one; a deck built on these accepts a slower first few turns in exchange for a manabase that shrugs off symmetrical destruction. The artifact-land tag cuts both ways, feeding affinity-style payoffs and improvise while opening a small window of vulnerability to artifact hate that ordinary duals dodge. Its structural ancestors are the tapped duals that have shown up in every era since the earliest gold-heavy sets; what this design adds is durability rather than speed, a lane that had gone largely unexplored for fixing lands until the indestructible keyword got attached to one. The result is a color-fixer whose value is measured not in tempo but in how many mass-destruction effects it lets you ignore.