Vizier of Remedies + Lesser Masticore + Yahenni, Undying Partisan

Vizier of Remedies

Lesser Masticore

Yahenni, Undying Partisan

How it works

1. Activate Yahenni by sacrificing Lesser Masticore.
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Vizier of Remedies.
3. Resolve the Yahenni ability
4. Repeat.