Blazing Sunsteel + Copy Artifact

Decks

How it works

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

In which brackets is this combo allowed, per Spellbook's Spicy tier?

1–2 · Exhibition & Core

Spellbook classifies this as Spicy — not for these brackets.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.