When any typed creature enters, if its power is 4 or greater, you can pay mana to have Slinza fight another creature you dont control, acting as a form of removal
Marvo, Deep Operative Marvo, Deep Operative gives you a clash commander, which I just think is neat as an idea
We've got Tidal Control and the alternate Viscerid Armor showing more lobster-people causing chaos
Sokenzan, Crucible of Defiance may not be as good as Otawara, Soaring City or Boseiju, Who Endures, but it fits into what red decks want to be doing, and Ive set up my share of lethal attacks thanks to the Kamigawa land
The grade reflects how good of a condition the card is in