Lost Jitte, Karn's Bastion, Cryptic Trilobite, Crystalline Crawler, and Gemstone Array

Prerequisites

• Lost Jitte on the battlefield
• Karn's Bastion on the battlefield
• Cryptic Trilobite on the battlefield
• Crystalline Crawler on the battlefield
• Gemstone Array on the battlefield
• Lost Jitte and Gemstone Array have at least one charge counter on them
• Cryptic Trilobite and Crystalline Crawler have at least one +1/+1 counter on them
• available

Steps

1. Activate Karn's Bastion by paying , putting a charge counter on Lost Jitte and Gemstone Array, and a +1/+1 counter on Cryptic Trilobite and Crystalline Crawler
2. Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding that can only be spent to activate abilities
3. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding
4. Activate Gemstone Array's second ability by removing a charge counter from it, adding
5. Activate Lost Jitte by removing a charge counter from it, untapping Karn's Bastion
6. Repeat

Results

• Infinite proliferate