Sith Defensive Trainer

When Sith Defensive Trainer enters the battlefield put 3 +1/+1 counters on it.
Lightsaber.
{t}:Move a +1/+1 counter from Sith Defensive Trainer onto another target Sith creature you control.
When a Sith creature you control that has a +1/+1 counter on it fails a coin flip for the lightsaber ability, retry the coin flip.