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

Prerequisites

• Lutri, the Spellchaser in hand
• Airbender's Reversal in hand
• Rowan, Scion of War on the battlefield
• available

Steps

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

Results

• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite storm count