Sami, Wildcat Captain, Meticulous Excavation, and Chromatic Orrery

Prerequisites

• Sami, Wildcat Captain on the battlefield
• Meticulous Excavation on the battlefield
• Chromatic Orrery in hand

Steps

1. Cast Chromatic Orrery by paying at most due to Sami
2. Activate Chromatic Orrery by tapping it, adding
3. Activate Meticulous Excavation by paying , returning Chromatic Orrery from the battlefield to your hand
4. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite storm count
• Infinite card draw
• Infinite draw triggers