Agatha's Soul Cauldron + Berta, Wise Extrapolator + Farmstead Gleaner + Tender Wildguide

Mana needed: {1}

GU identity

Commander legal

The 4 combo pieces

• Agatha's Soul Cauldron
• Berta, Wise Extrapolator
• Farmstead Gleaner
• Tender Wildguide

How to execute it

1. Activate Berta using Tender Wildguide'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