Tortured Existence + Pitiless Plunderer + Desecrated Tomb + Yahenni, Undying Partisan

Tortured Existence

Pitiless Plunderer

Desecrated Tomb

Yahenni, Undying Partisan

How it works

1. Activate Tortured Existence by paying and discarding a creature card, returning another creature card from your graveyard to your hand.
2. Desecrated Tomb triggers, creating a creature token.
3. Activate Yahenni by sacrificing the creature token.
4. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token.
5. Resolve the Yahenni ability.
6. Activate a Treasure by tapping and sacrificing it, adding .
7. Repeat.