List of candidates by color pair
Aerial Enforcer, Merfolk Cite Gold
Arabian Nights, Pins // Needles, Dimir Interference
Kara's Supporters, Bait // Switch
Orzhov Inquisitor, Prosecutor, Fallen Empires, Ritual // Belief, Twilight Mist, Repossess
Izzet Skeptic, Scaldmage Revisionist, Desiccation, Kweid's Paradox, Exploding Crisis