Soul Collector, Ashnod's Altar, and Warstorm Surge

Prerequisites

• Soul Collector in hand
• Ashnod's Altar on the battlefield
• Warstorm Surge on the battlefield
• available

Steps

1. Cast Soul Collector by paying
2. When Soul Collector enters the battlefield, Warstorm Surge triggers, causing Soul Collector to deal damage to itself equal to its power
3. Activate Ashnod's Altar by sacrificing Soul Collector, adding
4. When Soul Collector dies, it triggers, returning itself from your graveyard to the battlefield
5. Resolve the ability from step 3
6. Repeat from step 2

Results

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