Cards like Boseiju, Who Endures, Arena of Glory, and Cori Mountain Monastery fulfill a similar role to MDFCs in that they provide a land with an additional or alternative mode so that you still have a way to spend your mana, even if you draw a bunch of lands
However, youre going to want mana rocks like the Ravnica signets even with an aggressive strategy
The Exhumer's tokens are more valuable than the Breaker's and should be made instead whenever possible, as they function as psuedo removal, especially when mass sacrificed to the Westvale Abbey or Voldaren Pariah
Shadow, Mysterious Assassin Most sacrifice decks want to sacrifice small, recursive creatures or easily created tokens, going for quantity
:) Had an absolutely fantastic first visit to the store today
This means you reanimate or cast it and then wait through the phases for the turn to wheel before the Muse does its thing, which is rarely acceptable to the table