Beifong's Bounty Hunters + Magus of the Bridge + Yahenni, Undying Partisan

Beifong's Bounty Hunters

Magus of the Bridge

Yahenni, Undying Partisan

How it works

1. Activate Yahenni by sacrificing another nonland creature.
2. When the creature dies, Beifong's Bounty Hunters triggers, earthbending a land you control.
3. Resolve the Yahenni ability.
4. Activate Yahenni by sacrificing the earthbent land.
5. When the land dies, Magus of the Bridge and Beifong's Bounty Hunters trigger.
6. Resolve the Beifong's Bounty Hunters trigger, returning the land from your graveyard to the battlefield.
7. Resolve the Magus of the Bridge trigger, creating a creature token.
8. Resolve the Yahenni ability.
9. Repeat.