Razorlash Transmogrant, Necroduality, and Phyrexian Altar

Prerequisites

• Razorlash Transmogrant in the graveyard
• Necroduality on the battlefield
• Phyrexian Altar on the battlefield
• undefined available

Steps

1. Activate Razorlash Transmogrant by paying , returning it from your graveyard to the battlefield
2. When Razorlash Transmogrant enters the battlefield, Necroduality triggers, creating a token copy of Razorlash Transmogrant
3. Activate Phyrexian Altar twice by sacrificing both Razorlash Transmogrants, adding
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers