Polyraptor, Forerunner of the Empire, and Rite of Passage

Prerequisites

• Polyraptor on the battlefield
• Forerunner of the Empire on the battlefield
• Rite of Passage on the battlefield
• You have a way to deal damage to Polyraptor

Steps

1. Deal damage to Polyraptor
2. Rite of Passage and Polyraptor trigger
3. Resolve the Rite of Passage trigger, putting a +1/+1 counter on Polyraptor
4. Resolve the Polyraptor trigger, creating a token copy of it
5. The Polyraptor token enters the battlefield, triggering Forerunner of the Empire's second ability, dealing 1 damage to each creature
6. Rite of Passage triggers for each creature you control, and each Polyraptor you control triggers
7. Resolve all Rite of Passage triggers, putting a +1/+1 counter on each creature you control
8. Resolve a Polyraptor trigger, creating a token copy of it
9. Repeat from step 5

Results

• Infinite +1/+1 counters
• Infinite creature tokens
• Infinite damage to all creatures
• Infinite damage to creatures
• Infinite death triggers
• Infinite ETB
• Infinite LTB