Invisible Woman, Sue Storm, Agent Phil Coulson, Thornbite Staff, and Phantom Train

Prerequisites

• Invisible Woman, Sue Storm on the battlefield
• Agent Phil Coulson on the battlefield
• Thornbite Staff on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Agent Phil Coulson by tapping it, putting a +1/+1 counter on each other Hero you control
2. Invisible Woman triggers, creating a 0/4 Wall creature token with defender
3. Activate Phantom Train by sacrificing the Wall
4. When the Wall dies, Agent Phil Coulson triggers, untapping Agent Phil Coulson
5. Resolve the Phantom Train ability
6. Repeat

Results

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