Bolas's Citadel + Crimson Kobolds + Mortuary + Shilgengar, Sire of Famine

RWB identity

Commander legal

The 4 combo pieces

• Bolas's Citadel
• Crimson Kobolds
• Mortuary
• Shilgengar, Sire of Famine

How to execute it

1. Activate Shilgengar by sacrificing Crimson Kobolds
2. When Crimson Kobolds dies, Mortuary triggers, putting Crimson Kobolds from your graveyard onto the top of your library.
3. Resolve the Shilgengar ability.
4. Cast Crimson Kobolds from the top of your library by paying 0 life.
5. Repeat.

What the combo produces

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