Ghired, Mirror of the Wilds, Galvanic Juggernaut, and Yahenni, Undying Partisan

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Galvanic Juggernaut on the battlefield
• Yahenni, Undying Partisan on the battlefield
• You have a way to create a creature token this turn
• Galvanic Juggernaut is untapped and does not have summoning sickness

Steps

1. Create a creature token
2. Activate Galvanic Juggernaut by tapping it, creating a copy of the creature token
3. Activate Yahenni by sacrificing a creature token
4. When the creature token dies, Galvanic Juggernaut triggers, untapping itself
5. Resolve the Yahenni ability
6. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers