Polyraptor, and Where Ancients Tread

Prerequisites

• Polyraptor in hand
• Where Ancients Tread on the battlefield
• available

Steps

1. Cast Polyraptor by paying
2. Polyraptor enters the battlefield, triggering Where Ancients Tread, dealing 5 damage to Polyraptor
3. Polyraptor dies as a state-based action due to having zero toughness
4. Polyraptor triggers, creating a token copy of itself
5. Repeat from step 2

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB