Bridge from Below + Reassembling Skeleton + Yahenni, Undying Partisan + Pitiless Plunderer

Bridge from Below

Reassembling Skeleton

Yahenni, Undying Partisan

Pitiless Plunderer

How it works

1. Activate Yahenni by sacrificing Reassembling Skeleton.
2. When Reassembling Skeleton dies, Pitiless Plunderer and Bridge from Below trigger, creating a creature token and a Treasure token.
3. Resolve the Yahenni ability.
4. Activate Yahenni by sacrificing the creature token.
5. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
6. Resolve the Yahenni ability.
7. Activate the Treasures by tapping and sacrificing them, adding 1.
8. Activate Reassembling Skeleton by paying 1, returning it from your graveyard to the battlefield.
9. Repeat.