![Defense Grid (Retro Schematic) [The Brothers' War Retro Artifacts] - La Boîte Mystère ( The Mystery Box)](http://laboitemystere.com/cdn/shop/products/a49a0261-6c3c-5709-81c6-1de69a18d859_9b037c2b-41ed-4a39-bfed-79a28ec43a51.png?v=1692542071&width=1946)
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Magic: The Gathering
Defense Grid (Retro Schematic) [The Brothers' War Retro Artifacts]
Defense Grid (Retro Schematic) [The Brothers' War Retro Artifacts]
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| Set: | The Brothers' War Retro Artifacts |
| Type: | Artifact |
| Rarity: | Rare |
| Cost: | {2} |
Each spell costs {3} more to cast except during its controller's turn.
"Properly installed, each powerstone emits a targeted electromagnetic field that halts momentum as sure as stone."
—*Tome of Obstructions*
![Defense Grid (Retro Schematic) [The Brothers' War Retro Artifacts] - La Boîte Mystère ( The Mystery Box)](http://laboitemystere.com/cdn/shop/products/a49a0261-6c3c-5709-81c6-1de69a18d859_9b037c2b-41ed-4a39-bfed-79a28ec43a51.png?v=1692542071&width=1445)