Obviously, you need a way to change your opponents monsters to defense position, since there wont be many chances of your opponent having a defense position monster with Black Rose Dragon on the field
Typically, clerics have abilities that deal with lifegain, creature sacrifice, creature protection, reanimation, or some combination therein
Castle Vantress : Adding utility without compromising much on mana consistency, Castle Vantress fits naturally in mono-blue decks
Yes, you can mix and match the cards listed here - but only the ones below will count towards this Secret Mission: Growlithe #10 (One Diamond) Yamper #25 (One Diamond) Fidough #34 (One Diamond) Rockruff #38 (One Diamond) Reward: 1x Yamper Emblem
Upstart Goblin and Pot of Duality are the main ways to do this, but Sacred Sword of Seven Stars, Cards of Consonance, and Supply Squad all fit in here as well