Mortuary, Aetherflux Reservoir, Phyrexian Altar, and Bolas's Citadel

Prerequisites

• Mortuary on the battlefield
• Aetherflux Reservoir on the battlefield
• Phyrexian Altar on the battlefield
• Bolas's Citadel on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing a creature
2. When the creature dies, Mortuary triggers, putting the creature from your graveyard onto the top of your library
3. Cast the creature from the top of your library by paying X life, where X is the creature's mana value
4. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn
5. Repeat

Results

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