Cayth, Famed Mechanist + Crystalline Crawler + Cryptic Trilobite + Pemmin's Aura

Cayth, Famed Mechanist

Crystalline Crawler

Cryptic Trilobite

Pemmin's Aura

How it works

1. Activate Cayth by paying 2 and tapping it, putting a +1/+1 counter on Crystalline Crawler and Cryptic Trilobite.
2. Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding CC 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 Pemmin's Aura's first ability by paying , untapping Cayth.
5. Repeat.