Defense Grid
The Brothers' War Retro Artifacts
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Artifact
Each spell costs 
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*
—*Tome of Obstructions*
- Number
- #76
- Rarity
- rare
- Artist
- Mark Tedin