Errant and Giada + Krark-Clan Ironworks + Mortuary + Roterothopter

WUB identity

Commander legal

The 4 combo pieces

• Errant and Giada
• Krark-Clan Ironworks
• Mortuary
• Roterothopter

How to execute it

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