Koll, the Forgemaster + Ornithopter + Phyrexian Altar + Sai of the Shinobi

RW identity

Commander legal

The 4 combo pieces

• Koll, the Forgemaster
• Ornithopter
• Phyrexian Altar
• Sai of the Shinobi

How to execute it

1. Cast Ornithopter by paying {0}.
2. Ornithopter enters the battlefield, triggering Sai of the Shinobi, attaching Sai of the Shinobi to Ornithopter.
3. Activate Phyrexian Altar by sacrificing Ornithopter, adding one mana of any color.
4. Ornithopter dies, triggering Koll, returning Ornithopter from your graveyard to your hand.
5. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count