As long as Magic: The Gathering has been around, Reanimator decks have been a consistent part of it
As a sorcery, you may pay the mana cost of a locked door to unlock it.) Enchantment - Room Roaring Furnace When you unlock this door, this Room deals damage equal to the number of cards in your hand to target creature an opponent controls
Think Triskelion plus Mikaeus, the Unhallowed, or Sanguine Bond with Exquisite Blood Generally speaking, these decks are set up to aim for these combos as a primary win condition, and so they will tend to progress their boards and game plans to achieve these goals
Returning Keyword Ability: Improvise The improvise keyword from the Aether Revolt set lets you put every one of your artifacts to good useyou can pay for spells that have improvise by using your artifacts
Which makes sense, this is a card that gives you one token a turn and then its an anthem