Cryptic Trilobite + Crystalline Crawler + Genku, Future Shaper + High Score

Mana needed: {3}{W}{U}

GWU identity

Commander legal

The 4 combo pieces

• Cryptic Trilobite
• Crystalline Crawler
• Genku, Future Shaper
• High Score

How to execute it

1. Activate Genku by paying {3}{W}{U}, putting two +1/+1 counters on each creature you control due to [[Increaser - +1/+1 Counters]].
2. Activate Cryptic Trilobite's first ability twice by removing two +1/+1 counters from it, adding {C}{C}{C}{C} that can only be spent to activate abilities.
3. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {W}{U}.
4. Repeat.
5. Once you have infinite {C}, you may forego removing counters from Cryptic Trilobite.

What the combo produces

• Infinite +1/+1 counters on most creatures you control
• Infinite colorless mana that can only be spent to activate abilities