Brass Gnat + Errant and Giada + Krark-Clan Ironworks + Mortuary

WUB identity

Commander legal

The 4 combo pieces

• Brass Gnat
• Errant and Giada
• Krark-Clan Ironworks
• Mortuary

How to execute it

1. Activate Krark-Clan Ironworks by sacrificing Brass Gnat, adding {C}{C}.
2. When Brass Gnat dies, Mortuary triggers, putting Brass Gnat on top of your library from your graveyard.
3. Cast Brass Gnat from the top of your library by paying {1}.
4. Repeat.

What the combo produces

• Infinite colorless mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count