Gravebane Zombie, Rooftop Storm, Phyrexian Altar, and Future Sight

Prerequisites

• Gravebane Zombie on the battlefield
• Rooftop Storm on the battlefield
• Phyrexian Altar on the battlefield
• Future Sight on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Gravebane Zombie, adding one mana of any color
2. Gravebone Zombie is put on top of your library instead of into your graveyard
3. Cast Gravebane Zombie from the top of your library by paying
4. Repeat

Results

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