Malcolm, Keen-Eyed Navigator | Rukarumel, Biologist

Cards

You have a way to cause an artifact to enter the battlefield under your control.

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

This combo has been estimated to be Exhibition (Bracket 1+).