That means bigger numbers, more consistency, and a better chance of triggering high-value results on other cards
They will be joined by monsters, rivals, locations, and legendary weapons from the Final Fantasy world, offering fans the biggest collection of art from the game ever in one place
Tyranid Invasion is great early (since you usually have three opponents), Tyranid Prime is absolutely bonkers, one of the best cards in the deck, and Tyrant Guard is pretty good, offering protection to your board
Cathartic Pyre is a flexible card that can work as target removal and as a card draw with discard synergy
Although this will not be a sideboard guide but more a how to play each matchup, I do have a short sideboard guide against most decks in Modern that you can find here
And there are probably +1/+1 counters and even more kinds of counters in the set