Brenard, Ginger Sculptor, Squee, the Immortal, Earthcraft, and Ashnod's Altar

Prerequisites

• Brenard, Ginger Sculptor on the battlefield
• Squee, the Immortal on the battlefield
• Earthcraft on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate a basic Mountain by tapping it, adding
2. Activate Earthcraft by tapping Squee, untapping a basic Mountain
3. Activate a basic Mountain by tapping it, adding
4. Activate Ashnod's Altar by sacrificing Squee, adding
5. When Squee dies, Brenard triggers, exiling Squee from your graveyard and creating a token copy of it that is a 1/1 Food Golem artifact creature token
6. Activate Earthcraft by tapping the Squee token, untapping a basic Mountain
7. Activate Ashnod's Altar by sacrificing the Squee token, adding
8. Cast Squee from exile by paying
9. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana