Ancestor's Chosen + Bloodflow Connoisseur + Orah, Skyclave Hierophant + Sister Hospitaller
Ancestor's Chosen
Creature — Human Cleric
Bloodflow Connoisseur
Creature — Vampire
Orah, Skyclave Hierophant
Legendary Creature — Kor Cleric
Sister Hospitaller
Creature — Human Cleric
Result
Combo data from Commander Spellbook.