Ertha Jo, Frontier Mentor + Tidewater Minion

URW identity

Commander legal

The 2 combo pieces

• Ertha Jo, Frontier Mentor
• Tidewater Minion

What must be in place

Tidewater Minion does not have summoning sickness.

How to execute it

1. Activate Tidewater Minion's second ability by tapping it, targeting itself.
2. Ertha Jo's second ability triggers, copying Tidewater Minion's ability, targeting any other permanent.
3. Resolve both Tidewater Minion abilities, untapping it and the other targeted permanent
4. Repeat.

What the combo produces

• Infinite mana permanents you control can produce