Brotherhood Outcast + Phyrexian Altar + Shade's Form

WB identity

Commander legal

The 3 combo pieces

• Brotherhood Outcast
• Phyrexian Altar
• Shade's Form

How to execute it

1. Activate Phyrexian Altar by sacrificing Brotherhood Outcast.
2. When Brotherhood Outcast dies, Shade's Form triggers, returning Brotherhood Outcast from your graveyard to the battlefield.
3. When Brotherhood Outcast enters the battlefield, it triggers, returning Shade's Form from your graveyard to the battlefield attached to Brotherhood Outcast.
4. Repeat.

What the combo produces

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