Agatha's Soul Cauldron + Berta, Wise Extrapolator + Clockwork Hydra + Farmstead Gleaner

Mana needed: {1}

GU identity

Commander legal

The 4 combo pieces

• Agatha's Soul Cauldron
• Berta, Wise Extrapolator
• Clockwork Hydra
• Farmstead Gleaner

How to execute it

1. Activate Berta using Clockwork Hydra's ability by tapping them, putting a +1/+1 counter on Berta.
2. Berta's second ability triggers, adding one mana of any color.
3. Activate Berta using Farmstead Gleaner's ability by paying {2} and untapping them, putting a +1/+1 counter on Berta.
4. Berta's second ability triggers, adding one mana of any color.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature