Matter Reshaper, Mortuary, and Phantom Train

Prerequisites

• Matter Reshaper on the battlefield
• Mortuary on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Phantom Train by sacrificing Matter Reshaper When Matter Reshaper dies, it and Mortuary trigger
2. Resolve the Mortuary trigger, putting Matter Reshaper from your graveyard onto the top of your library Resolve the Matter Reshaper trigger, revealing Matter Reshaper from the top of your library and putting it onto the battlefield
3. Resolve the Phantom Train ability
4. Repeat

Results

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