Blazing Sunsteel | Clever Impersonator

Cards

Blazing Sunsteel and
Clever Impersonator on the battlefield (
Clever Impersonator as a copy of
Blazing Sunsteel.).
Blazing Sunsteel and
Clever Impersonator attached to an indestructible creature you control.
You have a way to deal damage to the indestructible creature.

Deal damage to the indestructible creature.
Blazing Sunsteel and
Clever Impersonator trigger.
Resolve the
Blazing Sunsteel trigger, dealing damage equal to the damage dealt to any target.
Resolve the
Clever Impersonator trigger, dealing damage equal to the damage dealt to the indestructible creature.
Repeat from step 2.