Blood Pet + Koll, the Forgemaster + Sai of the Shinobi

RWB identity

Commander legal

The 3 combo pieces

What must be in place

Sai of the Shinobi attached to Blood Pet.

How to execute it

  1. Activate Blood Pet by sacrificing it, adding {B}.
  2. When Blood Pet dies, Koll triggers, returning Blood Pet from your graveyard to your hand.
  3. Cast Blood Pet by paying {B}.
  4. When Blood Pet enters the battlefield, Sai of the Shinobi triggers, attaching itself to Blood Pet.
  5. Repeat.

What the combo produces