Body Launderer, Karmic Guide, and Phyrexian Altar

Prerequisites

• Body Launderer on the battlefield
• Karmic Guide on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Karmic Guide, adding one mana of any color
2. Karmic Guide dies, triggering Body Launderer's first ability, causing Body Launderer to connive
3. Activate Phyrexian Altar by sacrificing Body Launderer, adding one mana of any color
4. Body Launderer dies, triggering its second ability, returning Karmic Guide from your graveyard to the battlefield
5. Karmic Guide enters the battlefield, returning Body Launderer from your graveyard to the battlefield
6. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite colored mana
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers