Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Phantom Train, and Darksteel Angel

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Phantom Train on the battlefield
• Darksteel Angel on the battlefield

Steps

1. Activate Phantom Train by sacrificing Darksteel Angel When Darksteel Angel dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its static effect
2. Resolve the Phantom Train ability, putting a +1/+1 counter on Phantom Train and causing it to become a creature until end of turn Repeat

Results

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