Tromell, Seymour's Butler, Cryptic Trilobite, and Staff of Domination

Prerequisites

• Tromell, Seymour's Butler on the battlefield
• Cryptic Trilobite on the battlefield
• Staff of Domination on the battlefield
• available

Steps

1. Activate Tromell by paying and tapping it, causing you to put at least three +1/+1 counters on Cryptic Trilobite
2. Activate Cryptic Trilobite three times by removing three +1/+1 counters from it, adding six that can only be spent to activate abilities
3. Activate Staff of Domination's third ability by paying , untapping Tromell
4. Activate Staff of Domination's first ability by paying , untapping it
5. Repeat

Results

• Infinite colorless mana that can only be spent to activate abilities
• Infinite proliferate
• Infinite +1/+1 counters on a creature