Grim Haruspex + Mortuary + Walking Ballista

B identity

Commander legal

The 3 combo pieces

How to execute it

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

What the combo produces