Activated Sleeper + Phyrexian Altar + Vesperlark

WB identity

Commander legal

The 3 combo pieces

• Activated Sleeper
• Phyrexian Altar
• Vesperlark

How to execute it

1. Activate Phyrexian Altar by sacrificing Vesperlark, adding one mana of any color.
2. When Vesperlark dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Vesperlark.
3. Activate Phyrexian Altar by sacrificing Activated Sleeper, adding one mana of any color.
4. When Activated Sleeper dies, it triggers, returning Activated Sleeper from your graveyard to the battlefield as a copy of Vesperlark.
5. Repeat from step 3.

What the combo produces

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