Emry, Lurker of the Loch + Grinding Station + Sewer-veillance Cam + Urza, Lord High Artificer

Mana needed: {U}

U identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Emry by tapping it, allowing you to cast Sewer-veillance Cam from your graveyard this turn.
  2. Cast Sewer-veillance Cam from your graveyard by paying {U}.
  3. When Sewer-veillance Cam enters, it and Grinding Station trigger.
  4. Resolve the Sewer-veillance Cam trigger, untapping Emry.
  5. Resolve the Grinding Station trigger, untapping it.
  6. Activate Urza's first ability by tapping Sewer-veillance Cam, adding {U}.
  7. Activate Grinding Station by tapping it and sacrificing Sewer-veillance Cam.
  8. Sewer-veillance Cam triggers, untapping a creature you control.
  9. Resolve the Grinding Station ability.
  10. Repeat.

What the combo produces