Delney, Streetwise Lookout, Mox Amber, Umori, the Collector, and Dream Stalker

Prerequisites

• Delney, Streetwise Lookout on the battlefield
• Mox Amber in hand
• Umori, the Collector on the battlefield
• Dream Stalker in hand

Steps

1. Cast Mox Amber by paying
2. Activate Mox Amber by tapping it, adding
3. Cast Dream Stalker by paying
4. When Dream Stalker enters the battlefield, it triggers twice due to Delney, returning Mox Amber and Dream Stalker from the battlefield to your hand
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count