Thornbite Staff, Presence of Gond, and Phyrexian Altar

Prerequisites

• Thornbite Staff on the battlefield
• Presence of Gond on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Activate the creature by tapping it, creating a 1/1 Elf Warrior creature token
2. Activate Phyrexian Altar by sacrificing the Elf Warrior token, adding one mana of any color
3. The creature with Thornbite Staff equipped triggers, untapping itself
4. Repeat

Results

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