Deceiver Exarch + Emiel the Blessed + Serra's Sanctum

GWU identity

Commander legal

The 3 combo pieces

What must be in place

You control at least four enchantments.

How to execute it

  1. Activate Serra's Sanctum by tapping it, adding at least {W}{W}{W}{W}.
  2. Activate Emiel by paying {3}, blinking Deceiver Exarch.
  3. When Deceiver Exarch enters the battlefield, it triggers, untapping Serra's Sanctum.
  4. Repeat.

What the combo produces