Norn's Choirmaster, Crystalline Crawler, Cryptic Trilobite, and Deadeye Navigator

Prerequisites

• Norn's Choirmaster on the battlefield
• Crystalline Crawler on the battlefield
• Cryptic Trilobite on the battlefield
• Deadeye Navigator on the battlefield
• Your commander on the battlefield
• Crystalline Crawler and Cryptic Trilobite have at least one +1/1 counter on them
• Deadeye Navigator is paired with your commander
• available

Steps

1. Activate your commander by paying , blinking it
2. Your commander enters the battlefield, triggering Deadeye Navigator's soulbond ability and Norn's Choirmaster
3. Resolve the Deadeye Navigator, repairing it and your commander
4. Resolve the Norn's Choirmaster trigger, putting a +1/+1 counter on Cryptic Trilobite and Crystalline Crawler
5. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
6. Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding that can only be spent to activate abilities
7. Repeat

Results

• Infinite +1/+1 counters on Cryptic Trilobite
• Infinite colorless mana that can only be spent to activate abilities
• Infinite ETB
• Infinite LTB
• Infinite proliferate