Ghired, Mirror of the Wilds, Galvanic Juggernaut, and Ashnod's Altar

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Galvanic Juggernaut on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Create a creature token
2. Activate Galvanic Juggernaut by tapping it, creating a copy of the creature token
3. Activate Ashnod's Altar by sacrificing a creature token, adding
4. When the creature token dies, Galvanic Juggernaut triggers, untapping itself
5. Repeat from step 2

Results

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