Chamber of Voltage

{t}, Remove a smog counter from a permanent you control: Chamber of Voltage deals X damage to target creature, where X is 6 minus the number of smog counters on permanents you control. Activate this ability only once each turn.
{t}: Add {r} to your mana pool.
{3}, {t}: Chamber of Voltage deals 2 damage to you. Then, create three 1/1 colorless Programmable Bot artifact creature tokens.