Blazing Sunsteel, and The Mycosynth Gardens

Prerequisites

• Blazing Sunsteel on the battlefield
• The Mycosynth Gardens on the battlefield
• available

Steps

1. Activate The Mycosynth Gardens' third ability by paying and tapping it, causing it to become a copy of Blazing Sunsteel
2. Activate The Mycosynth Gardens' equip ability by paying , attaching it to the creature that has Blazing Sunsteel attached
3. Deal damage to the creature with Blazing Sunsteel and The Mycosynth Gardens attached
4. Blazing Sunsteel and The Mycosynth Gardens trigger
5. Resolve the Blazing Sunsteel trigger, dealing damage to any target
6. Resolve the Mycosynth Gardens trigger, dealing damage to the creature
7. Repeat from step 4

Results

• Infinite damage