Blast Zone [War of the Spark Prerelease Promos] Metal [-30] except "Time Thief Regulator"

except "Time Thief Regulator"

When Pestermite enters the battlefield

Set: Platinum: Base Set Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Monster Effect A mechanical life form

When Thought-Knot Seer enters the battlefield

Blast Zone [War of the Spark Prerelease Promos] Metal [-30] except "Time Thief Regulator"Set: War of the Spark Prerelease Promos Type: Land Rarity: Rare Blast Zone enters the battlefield with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on Blast Zone. {3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.