Mortuary, Phyrexian Altar, Rograkh, Son of Rohgahh, and Bolas's Citadel

Prerequisites

• Mortuary on the battlefield
• Phyrexian Altar on the battlefield
• Rograkh, Son of Rohgahh on the battlefield
• Bolas's Citadel on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Rograkh When Rograkh dies, Mortuary triggers, putting Rograkh from your graveyard onto the top of your library
2. Cast Rograkh from the top of your library by paying 0 life
3. Repeat

Results

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