mtg commander decks vampire Morophon, the Boundless - Vampires Deck - EDH with a Morophon boost and cost reduction Magic: The Gathering 2017 Commander

It's discounted for every creature you control

Arena Rector Courtesy of: At 4 Mana, this Cleric lets you cheat when she dies by searching your deck for any creature card

By all your Slivers indestructible, you have stopped all forms of removal except exiling effects, anything doling out -1/-1 counters, or a similar effect

During your turn you wont need to worry about any combat tricks, removal spells, or counterspells

(Duress also has the advantage of being much better against Burn than Thoughtseize.) Spell Pierce is generally better than Unified Will, but it gets worse the longer the game goes on, whereas its pretty easy to turn on Unified Will in the late game with a Nexus or whatever lying around