Blast Zone (0137) (Borderless) (Fracture Foil) [Edge of Eternities: Stellar Sights]

This land enters with a charge counter on it.
{T}: Add {C}.
{X}{X}, {T}: Put X charge counters on this land.
{3}, {T}, Sacrifice this land: Destroy each nonland permanent with mana value equal to the number of charge counters on this land.