Mortuary + Stonecoil Serpent + The Reality Chip

UB identity

Commander legal

The 3 combo pieces

What must be in place

The Reality Chip attached to any creature you control.

How to execute it

  1. Cast Stonecoil Serpent by paying {0}.
  2. Stonecoil Serpent dies as a state-based action due to having zero toughness.
  3. Mortuary triggers, putting Stonecoil Serpent on top of your library from your graveyard.
  4. Cast Stonecoil Serpent from the top of your library by paying {0}.
  5. Repeat from step 2.

What the combo produces