Displacer Kitten, Mana Echoes, Emeritus of Truce // Swords to Plowshares, and Energy Refractor

Prerequisites

• Displacer Kitten on the battlefield
• Mana Echoes on the battlefield
• Emeritus of Truce // Swords to Plowshares on the battlefield
• Energy Refractor on the battlefield
• available

Steps

1. Cast the copy of Swords to Plowshares from exile by paying its mana cost
2. When you cast that spell, Displacer Kitten triggers, flickering Emeritus of Truce
3. When Emeritus of Truce // Swords to Plowshares enters, it and Mana Echoes triggers
4. Resolve the Emeritus of Truce trigger, causing an opponent to create a 1/1 Inkling creature token with flying and preparing Emeritus of Truce
5. Resolve the Mana Echoes trigger, adding at least since Displacer Kitten and Emeritus of Truce are both Cats
6. Resolve Swords to Plowshares, exiling a creature an opponent controls and causing them to gain life
7. Activate Energy Refractor by paying , adding one colored mana
8. Repeat any number of times
9. If the board state allows, create an Inkling token in step 4 instead of targeting an opponent

Results

• Exile all creatures opponents control
• Infinite ETB
• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens
• Infinite lifegain
• Infinite lifegain for opponents
• Infinite lifegain triggers
• Infinite lifegain triggers for opponents
• Infinite magecraft triggers
• Infinite storm count