Drafna, Founder of Lat-Nam, Manifold Key, and Nyx Lotus

Prerequisites

• Drafna, Founder of Lat-Nam on the battlefield
• Manifold Key in hand
• Nyx Lotus on the battlefield
• Your devotion to blue is at least five

Steps

1. Activate Nyx Lotus's first ability by tapping it, adding
2. Cast Manifold Key by paying
3. Activate Manifold Key's first ability by paying and tapping it, untapping Nyx Lotus
4. Activate Drafna's first ability by paying , returning Manifold Key from the battlefield to your hand
5. Repeat

Results

• Infinite mana among colors with which you have devotion
• Infinite mana artifacts you control can produce
• Infinite storm count
• Infinite untap of artifacts you control