Malcolm, Keen-Eyed Navigator + Magmaw + Xorn + Leyline of Transformation

Prerequisites

• You control another nonland permanent.
• "Pirate" chosen with Leyline of Transformation.

Steps

1. 1Activate Magmaw by paying and sacrificing another nonland permanent, dealing 1 damage to an opponent.
2. 2Malcolm triggers, creating two Treasure tokens.
3. 3Activate a Treasure by tapping and sacrificing it, adding .
4. 4Repeat.

Effects

• Infinite damage