Saheeli, the Gifted, Deepglow Skate, and Encroaching Mycosynth

Prerequisites

• Saheeli, the Gifted on the battlefield
• Deepglow Skate in hand
• Encroaching Mycosynth on the battlefield
• Saheeli has at least four loyalty counters
• available

Steps

1. Cast Deepglow Skate by paying
2. When Deepglow Skate enters the battlefield, it triggers, doubling the number of loyalty counters on Saheeli
3. Activate Saheeli's third loyalty ability by removing seven loyalty counters from it, creating a token copy of each permanent you control
4. Put the nontoken Saheeli into your graveyard due to the legend rule
5. When the Deepglow Skate token enters the battlefield, it triggers, doubling the number of loyalty counters on Saheeli
6. Repeat from step 3

Results

• Infinite copies of all nonland permanents you control
• Infinite creature tokens with haste
• Infinite mana artifacts you control can produce