Defense Grid (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Portal Second Age and the steel became greaves

and the steel became greaves

Set: Junior Super Series Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Whenever an opponent sacrifices a nontoken permanent or discards a permanent card

Set: International Collectors’ Edition Type: Land — Island Mountain Rarity: Rare ({T}: Add {U} or {R}

Defense Grid (Retro Schematic) (Serial Numbered) [The Brothers' War Retro Artifacts] Portal Second Age and the steel became greavesSet: 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*