UB vs Eldrazi

Eldrazi mirrors are largely about who sets up Urza's lands or Eldrazi lands faster and lands the bigger Kozilek's Command or Eldrazi Confluence; Tormod's Crypt offers minor incidental graveyard disruption but is not a priority include, so this is a very light one-for-one swap. We keep Force of Negation and Force of Will at full count since Chalice of the Void set at X=1 or X=0 can lock out our cheap interaction, making it important to hold free spells that dodge taxation. Dismember and Sink into Stupor remain valuable to answer Reality Smasher and Thought-Knot Seer. Our Ancient Tomb and Urza's lands package races their mana advantage well, so the manabase stays untouched.