Ghired, Mirror of the Wilds, Galvanic Juggernaut, and Hammerhead, Maggia Boss

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Galvanic Juggernaut on the battlefield
• Hammerhead, Maggia Boss 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 Hammerhead by sacrificing a creature token
4. When the creature token dies, Galvanic Juggernaut triggers, untapping itself
5. Resolve the Hammerhead ability Repeat from step 2

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers