Halvar, God of Battle // Sword of the Realms, Zirda, the Dawnwaker, Ornithopter, Blood Artist, and Phyrexian Altar

Prerequisites

• Halvar, God of Battle // Sword of the Realms on the battlefield
• Zirda, the Dawnwaker on the battlefield
• Ornithopter on the battlefield
• Blood Artist on the battlefield
• Phyrexian Altar on the battlefield
• Sword of the Realms attached to Ornithopter

Steps

1. Sacrifice Ornithopter to Phyrexian Altar to add
2. Sword of the Realms returns Ornithopter to your hand
3. Blood Artist causes a player to lose 1 life and you to gain 1 life
4. Cast Ornithopter
5. Pay to equip Sword of the Realms to Ornithopter
6. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count