Amoeboid Changeling + Ingenious Artillerist + Malcolm, Keen-Eyed Navigator

UR identity

Commander legal

The 3 combo pieces

• Amoeboid Changeling
• Ingenious Artillerist
• Malcolm, Keen-Eyed Navigator

How to execute it

1. Activate Amoeboid Changeling by tapping it, giving Ingenious Artillerist all creature types until end of turn.
2. Cause an artifact to enter the battlefield under your control.
3. Ingenious Artillerist triggers, dealing 1 damage to each opponent.
4. Malcolm triggers, as Ingenious Artillerist is a Pirate due to Amoeboid Changeling, creating a Treasure token for each opponent dealt damage this way.
5. When the Treasure(s) enter, Ingenious Artillerist triggers that many times.
6. Resolve the first Ingenious Artillerist trigger, dealing 1 damage to each opponent.
7. Repeat from step 4.

What the combo produces

• Infinite colored mana
• Infinite damage
• Infinite Treasure tokens