mtg showcase cards legal All - Assassin's Creed Variants Revealed you may search your library for a basic land card Enlightened Tutor (showcase)

Then theres Strionic Resonator

Im trying to remain objective here, but Saskia the Unyielding has such a good aim in trying to make low-to-the-ground aggro viable in the 40-life Commander format, and shes got a penchant for leading off the Wall-themed decks, especially the various creature themes, be it Human, Phyrexian, Angel, or Werewolf

Its ideal in a vampire-themed deck, but Id consider it for any vampire commander, since youll always have access to at least one every game

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The first three are obviously absurdly good, the Staff can be painful but well worth it if you can offset the lifeloss with Venser's lifegain