Ertha Jo, Frontier Mentor + Clock of Omens + Pheres-Band Tromper + Liquimetal Torque

Ertha Jo, Frontier Mentor

Clock of Omens

Pheres-Band Tromper

Liquimetal Torque

How it works

1. Activate Liquimetal Torque by tapping it, causing Pheres-Band Tromper to become an artifact.
2. Activate Clock of Omens by tapping it and Pheres-Band Tromper, targeting Pheres-Band Tromper.
3. Ertha Jo triggers, copying Clock of Omens' ability, targeting Clock of Omens.
4. Resolve both Clock of Omens abilities, untapping it and Pheres-Band Tromper.
5. Pheres-Band Tromper triggers, putting a +1/+1 counter on it.
6. Repeat from step 2.