Future Sight + Gravebane Zombie + Phyrexian Altar + Rooftop Storm

UB identity

Commander legal

The 4 combo pieces

• Future Sight
• Gravebane Zombie
• Phyrexian Altar
• Rooftop Storm

How to execute it

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 {0}.
4. Repeat.

What the combo produces

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