Displacer Kitten, Pigment Wrangler // Striking Palette, and Birgi, God of Storytelling // Harnfel, Horn of Bounty

Prerequisites

• Displacer Kitten on the battlefield
• Pigment Wrangler // Striking Palette on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• available

Steps

1. Cast a copy of the prepared spell from exile by paying one mana, unpreparing Pigment Wrangler // Striking Palette
2. When you cast this, Displacer Kitten and Birgi, God of Storytelling triggers, adding
3. Resolve the Displacer Kitten ability, flickering Pigment Wrangler // Striking Palette, which enters prepared
4. Resolve the spell from step 1
5. Repeat

Results

• Infinite copies of instants and sorceries
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite storm count