Its premium Phyrexia: All Will Be One printing is worth around $75, and while Sephiroth, the Savior was at one point more expensive than that, it's settled down to a much more reasonable sub-$50 price
Card Advantage, Permission, and Threats Mana production aside, the cards in a blue-based control deck can be separated into one of three classes, card advantage spells, which allow you to draw extra cards or search for cards and add them to your hand, permission spells that deny your opponent their plays, or cheap threats which can close out the game once the opponent's game plan has been thwarted
A common that wont be in much demand but may be an essential defensive piece of deck structure depending on path to victory, additional value for stand around and win decks focusing on a library destruction or extort victory
As your creatures die and your experience counters build (a scenario that is very easy to accomplish through the use of a board wipe while Meren is in play), youll get to bring back bruisers like Razaketh, the Foulblooded or Sepulchral Primordial to start closing out the game
What Do Blue Decks Do in Magic