Halvar, God of Battle // Sword of the Realms, Puresteel Paladin, Ornithopter, and Ashnod's Altar

Prerequisites

• Halvar, God of Battle // Sword of the Realms on the battlefield
• Puresteel Paladin on the battlefield
• Ornithopter in hand
• Ashnod's Altar on the battlefield

Steps

1. Cast Ornithopter
2. Equip Sword of the Realms to Ornithopter for
3. Sacrifice Ornithopter to Ashnod's Altar to add
4. Sword of the Realms triggers, returning Ornithopter to your hand
5. Repeat

Results

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