Mikaeus, the Unhallowed + Puppeteer Clique + Yahenni, Undying Partisan

B identity

Commander legal

The 3 combo pieces

• Mikaeus, the Unhallowed
• Puppeteer Clique
• Yahenni, Undying Partisan

How to execute it

1. Activate Yahenni by sacrificing Puppeteer Clique.
2. When Puppeteer Clique dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Puppeteer Clique enters, it triggers, allowing you to put a creature card from an opponent's graveyard onto the battlefield under your control.
4. Resolve the Yahenni ability.
5. Activate Yahenni by sacrificing Puppeteer Clique.
6. When Puppeteer Clique dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7. When Puppeteer Clique enters, it triggers, allowing you to put a creature card from an opponent's graveyard onto the battlefield under your control.
8. Resolve the Yahenni ability.
9. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Put all creature cards from each opponent's graveyard onto the battlefield under your control