Mettaton, Killer Robot

Mettaton, Killer Robot enters the battlefield with 3
charge counters on it.
When Mettaton, Killer Robot enters the battlefield,
choose an opponent and flip a coin. If the chosen opponent loses the flip, Mettaton, Killer Robot deals
3 damage to the chosen opponent or target creature
they control. If they win the flip, remove a charge counter from Mettaton, Killer Robot. Chosen
opponent decides whether to flip again. When all
charge counters have been removed, chosen
opponent draws three card