Necrogen Communion + Shilgengar, Sire of Famine + Sun Titan

WB identity

Commander legal

The 3 combo pieces

• Necrogen Communion
• Shilgengar, Sire of Famine
• Sun Titan

How to execute it

1. Activate Shilgengar by sacrificing Sun Titan.
2. When Sun Titan dies, Necrogen Communion triggers, returning Sun Titan from your graveyard to the battlefield.
3. When Sun Titan enters, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Sun Titan.
4. Resolve the Shilgengar ability.
5. Repeat.

What the combo produces

• Infinite Blood tokens
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers