Steam-Powered Machination

At the beginning of your upkeep, put a stress counter on Steam-Powered Machination. Then, if it has 6 or more stress counters on it, sacrifice it.
{t}: Put a stress counter on Steam-Powered Machination, then create two 1/1 colorless servo artifact creature tokens.
{2}: Remove a stress counter from Steam-Powered Machination and it deals 1 damage to target player.