Mairsil, the Pretender, Hakim, Loreweaver, Lion's Eye Diamond, and Fool's Demise

Prerequisites

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

Steps

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

Results

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