Requires

Etrata, the Silencer must be on the battlefield. Lithoform Engine must be on the battlefield. Strionic Resonator must be on the battlefield. Etrata does not have summoning sickness. An opponent controls at least three nontoken creatures that they own and that are not commanders. Mana needed:

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 Strionic Resonator 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