Defense Grid (Retro Schematic) [The Brothers' War Retro Artifacts] Summon it gains indestructible until end

it gains indestructible until end of turn

It also makes good use of several "pitch" spells like Force of Will and Pyrokinesis

if all lands on the battlefield are Islands

For each creature exiled this way

the oil begins to consume organic tissue and will multiply until it overwhelms its host

Defense Grid (Retro Schematic) [The Brothers' War Retro Artifacts] Summon it gains indestructible until endSet: 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*