Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Blasting Station, and Boss's Chauffeur

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Blasting Station on the battlefield
• Boss's Chauffeur on the battlefield

Steps

1. Activate Blasting Station by sacrificing Boss's Chauffeur
2. When Boss's Chauffeur dies, its persist ability and second ability trigger
3. Resolve the second trigger, creating a number of 1/1 Citizen creature tokens equal to the number of +1/+1 counters that were on Boss's Chauffeur
4. When the Citizen(s) enter, Blasting Station triggers that many times, untapping Blasting Station
5. Resolve the persist trigger, returning Boss's Chauffeur from your graveyard to the battlefield
6. It'll enter with a number of +1/+1 counters on it equal to the number of creatures you control minus 1 due to its replacement effect
7. When Boss's Chauffeur enters, Blasting Station triggers, untapping Blasting Station
8. Resolve the Blasting Station ability from step 1
9. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite creature tokens
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control