Displacer Kitten, Mana Echoes, Stonework Packbeast, and Campus Composer // Aqueous Aria

Prerequisites

• Displacer Kitten on the battlefield
• Mana Echoes on the battlefield
• Stonework Packbeast on the battlefield
• Campus Composer // Aqueous Aria on the battlefield
• available

Steps

1. Cast the copy of Aqueous Aria spell from exile by paying its mana cost
2. When you cast that spell, Displacer Kitten triggers, flickering Campus Composer, which enters prepared
3. When Campus Composer enters, Mana Echoes triggers, adding at least
4. Resolve the spell from step 1, creating a 3/3 Elemental creature token with flying
5. When the token enters, Mana Echoes triggers, adding for each Elemental you control
6. Pay an additional to repeat steps 1 through 5 an additional time, this time adding from the Mana Echoes triggers
7. Pay an additional to repeat the loop again, adding
8. Pay an additional to repeat the loop again, adding
9. Pay an additional to repeat the loop again, adding six
10. Activate Stonework Packbeast by paying , adding one colored mana
11. Repeat steps 1 through 5 and step 10 any number of times

Results

• Infinite ETB
• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens
• Infinite magecraft triggers
• Infinite storm count