Feldon of the Third Path, Diamond Lion, Thornbite Staff, and Warstorm Surge

Prerequisites

• Feldon of the Third Path on the battlefield
• Diamond Lion in the graveyard
• Thornbite Staff on the battlefield
• Warstorm Surge on the battlefield
• available

Steps

1. Activate Feldon of the Third Path by paying and tapping it, creating a token copy of Diamond Lion with haste
2. Warstorm Surge triggers, dealing damage equal to Diamond Lion's power to any target
3. Activate Diamond Lion by tapping it, discarding your hand, and sacrificing it, adding
4. Thornbite Staff triggers, untapping Feldon of the Third Path
5. Repeat

Results

• Infinite damage
• Infinite death triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers