Lightning Storm [Mystery Booster]

Set: Mystery Booster Type: Instant Rarity: Uncommon Cost: {1}{R}{R} Lightning Storm deals X damage to any target, where X is 3 plus the number of charge counters on Lightning Storm.Discard a land card: Put two charge counters on Lightning Storm. You may choose a new target for it. Any player may activate this ability but only if Lightning Storm is on the stack.