Discharging Automaton

{1}, {t}: Put a charge counter on Discharging Automaton.
{2}: Remove all charge counters from Discharging Automaton. It becomes an 0/0 Construct artifact creature with an amount of +1/+1 counters on it equal to the number of charge counters removed this way.
At the beginning of your upkeep, remove a
+1/+1 counter from Discharging Automaton. When there are no +1/+1 counters on it, it becomes an artifact again.