Agent Frank Horrigan, Cryptic Trilobite, and Emiel the Blessed

Prerequisites

• Agent Frank Horrigan on the battlefield
• Cryptic Trilobite on the battlefield
• Emiel the Blessed on the battlefield
• Cryptic Trilobite has at least one +1/+1 counter on it
• available

Steps

1. Activate Emiel the Blessed by paying , blinking Agent Frank Horrigan
2. When Agent Frank Horrigan enters the battlefield, it triggers, causing you to put two +1/+1 counters on Cryptic Trilobite
3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding that can only be spent to activate abilities
4. Repeat

Results

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