Magda, Brazen Outlaw, Titan of Eternal Fire, Battered Golem, and Amorphous Axe

Prerequisites

• Magda, Brazen Outlaw on the battlefield
• Titan of Eternal Fire on the battlefield
• Battered Golem on the battlefield
• Amorphous Axe on the battlefield
• Battered Golem does not have summoning sickness
• Amorphous Axe attached to Battered Golem
• available

Steps

1. Activate Battered Golem by paying and tapping it
2. Magda triggers, creating a Treasure artifact token
3. When the Treasure enters the battlefield, Battered Golem triggers, untapping itself
4. Resolve the Battered Golem ability from step 1, dealing 1 damage to any target
5. Activate the Treasure by tapping and sacrificing it, adding
6. Repeat

Results

• Infinite damage