Animar, Soul of Elements, Lutri, the Spellchaser, and Airbender's Reversal

Prerequisites

• Animar, Soul of Elements on the battlefield
• Lutri, the Spellchaser in hand
• Airbender's Reversal in hand
• at most available

Steps

1. Cast Airbender's Reversal by paying its mana cost, targeting any applicable target(s)
2. Holding priority, cast Lutri by paying its mana cost reduced by Animar
3. Animar triggers, putting a +1/+1 counter on it
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 Animar
7. Repeat from step 3

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite storm count