Bristly Bill, Spine Sower + Cryptic Trilobite + Urn of Godfire

Bristly Bill, Spine Sower

Cryptic Trilobite

Urn of Godfire

How it works

1. Activate Bristly Bill by paying 3, doubling the number of +1/+1 counters on creatures you control.
2. Activate Cryptic Trilobite four times by removing four +1/+1 counters from it, adding eight C that can only be spent to activate abilities.
3. Activate Urn of Godfire twice by paying 4, adding .
4. Repeat.

This loop relies on transforming the investment of mana into an exponential explosion of growth, turning a modest board state into infinite resources. By utilizing Bristly Bill, Spine Sower to constantly double the counters on your creatures, Cryptic Trilobite becomes a massive battery that can be stripped of its counters to generate specialized colorless mana. Meanwhile, Urn of Godfire acts as the vital conversion engine, letting you pay into its first ability using that restricted mana to funnel fresh colored mana back into the loop.