Emry, Lurker of the Loch + Thornbite Staff + Chamber Sentry

Emry, Lurker of the Loch

Thornbite Staff

Chamber Sentry

How it works

1. Activate Emry by tapping it, allowing you to cast Chamber Sentry from your graveyard this turn.
2. Cast Chamber Sentry from your graveyard by paying 0.
3. Chamber Sentry enters the battlefield and dies as a state-based action due to having 0 toughness.
4. Emry triggers, untapping itself.
5. Repeat.