By playing this card early in the game you have the opportunity to slam your creatures without fearing your opponent playing board wipes
It's built around spreading rad counters to your opponents and milling them to gain various effects on your creatures
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
Thanks to Contender's enter the battlefield trigger, we are able to select the best Knight, Aura, Equipment, or legendary artifact card from the top five of our deck and add it to our hand
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