Ingenious Artillerist + Leyline of Transformation + Malcolm, Keen-Eyed Navigator

UR identity

Commander legal

The 3 combo pieces

• Ingenious Artillerist
• Leyline of Transformation
• Malcolm, Keen-Eyed Navigator

How to execute it

1. Cause an artifact to enter the battlefield under your control.
2. Ingenious Artillerist triggers, dealing 1 damage to each opponent.
3. Malcolm triggers, as Ingenious Artillerist is a Pirate due to Leyline of Transformation, creating a Treasure token for each opponent dealt damage this way.
4. When the Treasure(s) enter, Ingenious Artillerist triggers that many times.
5. Resolve the first Ingenious Artillerist trigger, dealing 1 damage to each opponent.
6. Repeat from step 3.

What the combo produces

• Infinite colored mana
• Infinite damage
• Infinite Treasure tokens