Etrata, the Silencer, Lithoform Engine, and The Peregrine Dynamo

Prerequisites

• Etrata, the Silencer on the battlefield
• Lithoform Engine on the battlefield
• The Peregrine Dynamo on the battlefield
• Etrata does not have summoning sickness and is not your commander
• An opponent controls at least three nontoken creatures that they own and that are not commanders
• available

Steps

1. Deal combat damage to an opponent using Etrata, triggering its ability
2. Holding priority, activate Lithoform Engine's first ability by paying and tapping it, copying that ability
3. Activate The Peregrine Dynamo by paying and tapping it, copying Etrata's ability
4. Resolve all Etrata abilities, causing you to exile three creatures the opponent controls with hit counters on them, shuffle Etrata into your library, and cause the opponent to lose the game

Results

• Target opponent loses the game