Breaching Hippocamp + Karmic Guide + Phyrexian Altar + Sidisi, Regent of the Mire

WUB identity

Commander legal

The 4 combo pieces

• Breaching Hippocamp
• Karmic Guide
• Phyrexian Altar
• Sidisi, Regent of the Mire

How to execute it

1. Activate Sidisi by tapping it and sacrificing Breaching Hippocamp, returning Karmic Guide from your graveyard to the battlefield.
2. When Karmic Guide enters the battlefield, it triggers, returning Breaching Hippocamp from your graveyard to the battlefield.
3. When Breaching Hippocamp enters the battlefield, it triggers, untapping Sidisi.
4. Activate Phyrexian Altar by sacrificing Karmic Guide.
5. Repeat.

What the combo produces

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