Of course, the Reanimator player casting this on turn one or two will frequently be bringing back Grave Titan or Archon of Cruelty, while the other player may not even have a creature in their graveyard yet to choose making this one of the very best early game reanimation spells ever
Green is not traditionally an artifact-supporting color, but there are more than enough Artifacts in Blue for the Sixth Doctor to boost alone, making him an incredibly potent new commander
5/5 Speaking of must-answer threats, the second Shredder on the list is just as scary
As they are obviously not nearly as powerful as a player, they are meant to represent mini-players, complete with their own life pool, a small set of spells and costs
Signal cards, or key cards, are the draftable cards that are obviously designed for specific decks