Goblin Bombardment + Koll, the Forgemaster + Phyrexian Walker + Sai of the Shinobi

RW identity

Commander legal

The 4 combo pieces

How to execute it

  1. Cast Phyrexian Walker by paying {0}.
  2. When Phyrexian Walker enters the battlefield, Sai of the Shinobi triggers, attaching Sai of the Shinobi to Phyrexian Walker.
  3. Activate Goblin Bombardment by sacrificing Phyrexian Walker.
  4. When Phyrexian Walker dies, Koll triggers, returning Phyrexian Walker from your graveyard to your hand.
  5. Resolve the Goblin Bombardment ability, dealing 1 damage to any target.
  6. Repeat.

What the combo produces