Haakon, Stromgald Scourge, Universal Automaton, and Ashnod's Altar

Prerequisites

• Haakon, Stromgald Scourge on the battlefield
• Universal Automaton on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Universal Automaton, adding
2. Cast Universal Automaton from your graveyard by paying
3. Repeat

Results

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