Chamber Sentry + Grim Haruspex + Mortuary

WUBRG identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Chamber Sentry by paying {0}.
  2. Chamber Sentry enters and dies as a state-based action due to having 0 toughness, triggering Mortuary and Grim Haruspex.
  3. Resolve the Mortuary trigger, putting Chamber Sentry from your graveyard onto the top of your library.
  4. Resolve the Grim Haruspex trigger, causing you to draw a card, thus drawing Chamber Sentry from your library.
  5. Repeat.

What the combo produces