Mairsil, the Pretender, Hakim, Loreweaver, Lion's Eye Diamond, and Kaya's Ghostform

Prerequisites

• Mairsil, the Pretender on the battlefield
• Hakim, Loreweaver in exile
• Lion's Eye Diamond in exile
• Kaya's Ghostform on the battlefield
• Kaya's Ghostform attached to Mairsil

Steps

1. During your upkeep, activate Mairsil by sacrificing it and discarding your hand, adding
2. Mairsil dies, triggering Kaya's Ghostform, returning Mairsil from your graveyard to the battlefield
3. Activate Mairsil using Hakim's first ability by paying , returning Kaya's Ghostform from your graveyard to the battlefield attached to Mairsil
4. Repeat

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers