Rowan, Scion of War + Lutri, the Spellchaser + Airbender's Reversal

How it works

Activate Rowan by tapping it.
Cast Airbender's Reversal by paying its mana cost, targeting any applicable target(s).
Holding priority, cast Lutri by paying its mana cost reduced by Rowan.
When Lutri enters, it triggers, copying Airbender's Reversal targeting Lutri.
Resolve Airbender's Reversal, airbending Lutri.
Holding priority, cast Lutri from exile by paying due to Rowan.
Repeat from step 4.

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

1–2 · Exhibition & Core

Allowed in this bracket.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.