Chromatic Orrery + Derevi, Empyrial Tactician + Phyrexian Altar

GWU identity

Commander legal

The 3 combo pieces

• Chromatic Orrery
• Derevi, Empyrial Tactician
• Phyrexian Altar

How to execute it

1. Tap Chromatic Orrery for 5 {C}.
2. Activate Derevi to put it into play and untap Chromatic Orrery with its enter the battlefield trigger.
3. Sacrifice Derevi to Altar.
4. Repeat.

What the combo produces

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite untap of creatures you control