Halo Fountain + Karn, Silver Golem + Vedalken Engineer

Mana needed: {1}

WU identity

Commander legal

The 3 combo pieces

What must be in place

Vedalken Engineer and Halo Fountain do not have summoning sickness.

How to execute it

  1. Activate Karn by paying {1}, causing Halo Fountain to become an artifact creature until end of turn.
  2. Activate Vedalken Engineer by tapping it, adding {W}{W} that can only be spent to cast artifact spells or activate abilities of artifacts.
  3. Activate Halo Fountain's second ability by paying {W}{W}, tapping it and untapping Halo Fountain and Vedalken Engineer, causing you to draw a card.
  4. Repeat from step 2.

What the combo produces