Adarkar Valkyrie + Thornbite Staff + Bloodflow Connoisseur

Adarkar Valkyrie

Thornbite Staff

Bloodflow Connoisseur

How it works

1. Activate Adarkar Valkyrie by tapping it, targeting Bloodflow Connoisseur.
2. Activate Bloodflow Connoisseur by sacrificing it.
3. When Bloodflow Connoisseur dies, Adarkar Valkyrie triggers twice.
4. Resolve the first trigger, untapping Adarkar Valkyrie.
5. Resolve the second trigger, returning Bloodflow Connoisseur from your graveyard to the battlefield.
6. Resolve the Bloodflow Connoisseur ability.
7. Repeat.