Etrata, the Silencer + Strionic Resonator + Return the Favor Combo

Return the Favor in hand.

Etrata and Strionic Resonator on the battlefield (Etrata without summoning sickness on the battlefield).

An opponent controls three nontoken creatures that they own and that are not commanders.

available

Deal combat damage to an opponent using Etrata, triggering its ability.

Holding priority, activate Strionic Resonator by paying and tapping it, copying Etrata's trigger.

Holding priority, cast Return the Favor by paying , choosing its first mode, copying Etrata's trigger.

Resolve all Etrata triggers, exiling three creatures an opponent controls and putting hit counters on them, and then causing that opponent to lose the game.

Target opponent loses the game