Body Launderer + Clever Impersonator + Phyrexian Altar + Spark Double

UB identity

Commander legal

The 4 combo pieces

• Body Launderer
• Clever Impersonator
• Phyrexian Altar
• Spark Double

How to execute it

1. Activate Phyrexian Altar by sacrificing Clever Impersonator, adding one mana of any color.
2. Clever Impersonator dies, triggering its second ability and Body Launderer's first ability.
3. Resolve the Clever Impersonator trigger, returning Spark Double from your graveyard to the battlefield as a copy of Body Launderer.
4. Resolve the Body Launderer trigger, causing it to connive.
5. Activate Phyrexian Altar by sacrificing Spark Double, adding one mana of any color.
6. Spark Double dies, triggering its second ability and Body Launderer's first ability.
7. Resolve the Spark Double trigger, returning Clever Impersonator from your graveyard to the battlefield as a copy of Body Launderer.
8. Resolve the Body Launderer trigger, causing it to connive.
9. Repeat.

What the combo produces

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters on a creature
• Near-infinite colored mana
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB