Berta, Wise Extrapolator + Cathars' Crusade + Thopter Squadron

Mana needed: {1}

GWU identity

Commander legal

The 3 combo pieces

• Berta, Wise Extrapolator
• Cathars' Crusade
• Thopter Squadron

How to execute it

1. Activate Thopter Squadron by paying {1} and removing a +1/+1 counter from it, creating a creature token.
2. When the creature token enters, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control.
3. Berta triggers, adding {1}.
4. Repeat.

What the combo produces

• Infinite +1/+1 counters on most creatures you control
• Infinite creature tokens
• Infinite ETB