Carnage, Crimson Chaos + Saffi Eriksdotter + Yahenni, Undying Partisan

Carnage, Crimson Chaos

Saffi Eriksdotter

Yahenni, Undying Partisan

How it works

1. Cast Carnage by paying 2.
2. When Carnage enters, it triggers, returning Saffi from your graveyard to the battlefield.
3. Activate Saffi by sacrificing it, targeting Carnage.
4. Activate Yahenni by sacrificing Carnage.
5. When Carnage dies, Saffi triggers, returning Carnage from your graveyard to the battlefield.
6. When Carnage enters, it triggers, returning Saffi from your graveyard to the battlefield.
7. Resolve the Yahenni ability.
8. Repeat from step 3.