Luminous Broodmoth | Nardole, Resourceful Cyborg | Grinding Station

Cards

Activate
Grinding Station by tapping it and sacrificing
Nardole.
When
Nardole dies, its undying ability triggers if it didn't have a +1/+1 counter, and
Luminous Broodmoth triggers if
Nardole didn't have flying.
Resolve the undying trigger, if applicable, returning
Nardole from your graveyard to the battlefield with either a +1/+1 counter on it.
If
Nardole entered the battlefield in step 3,
Grinding Station triggers, untapping
Grinding Station.
Resolve the
Luminous Broodmoth trigger, if applicable, returning
Nardole from your graveyard to the battlefield with a flying counter on it if the creature is still in your graveyard.
If
Nardole entered the battlefield in step 5,
Grinding Station triggers, untapping
Grinding Station.
Resolve the
Grinding Station ability from step 1.
Repeat.