Brandywine Farmer + Infinite Reflection + Cauldron Familiar + Phyrexian Altar

Brandywine Farmer

Infinite Reflection

Cauldron Familiar

Phyrexian Altar

How it works

1. Activate Cauldron Familiar by sacrificing a Food, returning it to the battlefield from your graveyard as a copy of Brandywine Farmer due to Infinite Reflection.
2. When Cauldron Familiar enters the battlefield, it triggers, creating a Food artifact token.
3. Activate Phyrexian Altar by sacrificing Cauldron Familiar, adding one mana of any color.
4. When Cauldron Familiar dies, it triggers, creating a Food artifact token.
5. Repeat for infinite Food tokens.
6. Activate Phyrexian Altar by sacrificing Brandywine Farmer, adding one mana of any color.
7. When Brandywine Farmer dies, it triggers, creating a Food artifact token.
8. Activate Cauldron Familiar by sacrificing a Food, returning it to the battlefield from your graveyard.
9. When Cauldron Familiar enters the battlefield, it triggers, causing each opponent to lose 1 life and you to gain one life.
10. Activate Phyrexian Altar by sacrificing Cauldron Familiar, adding one mana of any color.
11. Repeat from step 8.