Haakon, Stromgald Scourge + Intruder Alarm + Soldevi Adnate

UB identity

Commander legal

The 3 combo pieces

What must be in place

Soldevi Adnate does not have summoning sickness.
You control another nontoken Knight that can be cast using only black mana.

How to execute it

  1. Activate Soldevi Adnate by tapping it and sacrificing any other nontoken Knight that can be cast using only black mana, adding an amount of {B} equal to that creature's mana value.
  2. Cast the Knight from your graveyard by paying its mana cost.
  3. The Knight enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.

What the combo produces