Some are hidden, making them really difficult to track
Old Gnawbone is a big dragon that can generate absurd amounts of mana, and this deck is so good at drawing cards that it could enable some truly heinous sequences where you cast multiple huge creatures in a turn, resulting in Eshki eliminating multiple opponents
Aang, Master of Elements Behold the Unspeakable Boon of the Wish-Giver Brainsurge Breakthrough Control of the Court Cruel Bargain Dragonlord's Prerogative Galvanic Giant Galvanic Giant Goblin Lore Infernal Contract Into the Story Kozilek, Butcher of Truth Liliana's Contract Meditate Nibelheim Aflame Practical Research Prying Eyes Pyretic Charge Reed Richards, Smartest Man Sauron, the Dark Lord Sphinx of the Chimes Splatter Technique The Royal Scions Thoughtflare Tidings Tower of Fortunes Travel the Overworld Umaro, Raging Yeti Vindictive Flamestoker Your Puny Minds Cannot Fathom
But its core mechanics remain the same
Free sacrifice effects are great with any Commander that has payoffs for sacrificing stuff like Juri, Master of the Revue or Korvold