Target and Walmart run similar systems
Combat damage that would be dealt by creatures you control cant be prevented
The colourless mana cost and artifact typing is just the cherry on top
Any scratching will reduce your overall grade significantly
Quick expansion: Sanctum Seeker, Cordial Vampire, Blade of the Bloodchief, Champion of Dusk, Bloodlord of Vaasgoth, Malakir Bloodwitch, Bloodtracker, Indulgent Aristocrat, Feast of Blood, Vengeant Vampire, Vampire Hexmage, Bloodthirsty Aerialist, Urge to Feed, Defiant Bloodlord, Vampire Nighthawk, Call the Bloodline, Bishop of the Bloodstained, Knight of the Ebon Legion, Butcher of Malakir, Necropolis Regent, Ascendant Evincar Goal cards: Patron of the Vein, Captivating Vampire, Vampire Nocturnus, Bloodline Keeper, Kalitas, Bloodchief of Ghet, New Blood Tribal commander : Anowon, the Ruin Sage or Drana, Kalastria Bloodchief WALLS Yep, walls