Forsaken Miner, Mana Echoes, Chromatic Orrery, and Altar of Dementia

Prerequisites

• Forsaken Miner on the battlefield
• Mana Echoes on the battlefield
• Chromatic Orrery on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Forsaken Miner, targeting an opponent
2. When you commit that crime, Forsaken Miner triggers, causing you to pay to return it from your graveyard to the battlefield
3. When Forsaken Miner enters, Mana Echoes triggers, adding for each Skeleton and/or Rogue you control
4. Resolve the Altar of Dementia ability
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill
• Infinite colorless mana