Diregraf Horde, Deadeye Navigator, and Phyrexian Altar

Prerequisites

• Diregraf Horde on the battlefield
• Deadeye Navigator on the battlefield
• Phyrexian Altar on the battlefield
• Deadeye Navigator is paired with Diregraf Horde
• available

Steps

1. Activate Diregraf Horde by paying , blinking it
2. When Diregraf Horde enters the battlefield, it and Deadeye Navigator's soulbond ability triggers
3. Resolve the Deadeye Navigator trigger, repairing it and Diregraf Horde
4. Resolve the Diregraf Horde trigger, creating two 2/2 Zombie creature tokens
5. Activate Phyrexian Altar twice by sacrificing the Zombies, adding
6. Repeat

Results

• Exile each opponent's graveyard
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers