While Invasion of Regatha has some interesting uses, for the most part, there are other cards that do the same thing but better (Stoke the Flames for the front and Solphim, Mayhem Dominus or Urabrask for the back), which puts the battle in C-tier
Once any one of our several graveyard-land-recursion engines gets online, Zuran Orb can essentially become a way to lock your opponents out of traditional damage as a win condition infinite combos and the like notwithstanding, of course
I like it for a very modest gain
A strong card that still sees competitive play One of the least valuable D23 promos Plenty of Steel decks still play Captain Hook, Forceful Duelist
Omnath has a ton of ways to be built, so make sure you use the filters to look at the full pages for each build
Vivis power lies in its flexibility