Malcolm, Keen-Eyed Navigator + Hedron Detonator + Arcane Adaptation

Prerequisites

• You have a way to cause an artifact to enter the battlefield under your control.
• "Pirate" chosen with Arcane Adaptation.

Steps

1. 1Cause an artifact to enter the battlefield under your control.
2. 2Hedron Detonator triggers, dealing 1 damage to target opponent.
3. 3Malcolm triggers, creating a Treasure token.
4. 4Treasure token enter the battlefield, triggering Hedron Detonator, dealing 1 damage to target opponent.
5. 5Repeat from step 2.

Effects

• Infinite colored mana
• Infinite damage
• Infinite Treasure tokens