Streets of New Capenna Streets of New Capenna had a hybrid rare creature cycle, but it tried something a little different
Your opponent is going to have countermeasures, and by diversifying your sideboard package you force them to diversify those countermeasures, which means bringing in more cards than they would like and cutting into their core pieces
a little slow and costly, but 3 mana to exile anything does work, even if your opponents can get it back
Any Goblin deck that aims to win via combat damage will need Vanquisher's Banner, especially since it's more resistant to removal than Goblin lord creatures
Thats really important to note
This is incredibly powerful, but the symmetrical effect makes it a real build-around card