Lightning decks tend to run glass-cannon strategies, so a solid Fighting wall can short-circuit them fast
Some prime examples to go along with Yarok might be Thassa, Deep-Dwelling or Tatyova, Benthic Druid
Whether its Duress, Thoughtseize, Grief, or Inquisition of Kozilek, almost any black decklist will find room for these powerful tools somewhere in their 75
Exile the top card of your library for each present vote
Board wipes are the lifeblood of most control decks - and, with Damn, theres now a good one that can act as a surgeons scalpel as well as a tidal wave
None of that changes that Shackles is perfect for this deck as it provides a consistently returning enchantment that can also lockdown a creature if you need to do that