- Ertha Jo, Frontier Mentor
- Tidewater Minion
- Infinite mana permanents you control can produce
- Infinite untap of permanents you control
- Ertha Jo, Frontier Mentor
- Aphetto Alchemist
- Infinite mana artifacts you control can produce
- Infinite mana creatures you control can produce
- Infinite untap of artifacts you control
- Infinite untap of creatures you control
- Ertha Jo, Frontier Mentor
- Seeker of Skybreak
- Infinite mana creatures you control can produce
- Infinite untap of creatures you control
Ertha Jo, Frontier Mentor Debut Set
Ertha Jo, Frontier Mentor appears only in 1 set: