Tromell, Seymour's Butler, Cryptic Trilobite, and Sword of the Paruns

Prerequisites

• Tromell, Seymour's Butler on the battlefield
• Cryptic Trilobite on the battlefield
• Sword of the Paruns 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 twice by removing two +1/+1 counters from it, adding that can only be spent to activate abilities
3. Activate Sword of the Paruns by paying , untapping Tromell
4. Repeat

Results

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