No sideboard cards are available, so this configuration stays as-is. Mono-Green Landfall uses Llanowar Elves for acceleration into Mightform Harmonizer and Icetill Explorer, with Ba Sing Se and Earthbender Ascension as long-game payoffs, so early removal on Llanowar Elves with Lightning Helix or Sear slows their whole curve. Day of Judgment is your best answer to a board that's gotten wide, since none of their common threats have inherent protection from destroy effects. Because this is a low-interaction creature deck, prioritize proactive card advantage from Stock Up and Jeskai Revelation to simply out-value them once the board is stabilized.
No sideboard cards are available, so this configuration stays as-is. Dimir Excruciator is a slower, disruption-heavy control deck with Duress and Deceit for interaction and Doomsday Excruciator as its top-end card advantage engine, so protect your key spells with No More Lies and Negate rather than overcommitting into open Bitter Triumph or Requiting Hex mana. Day of Judgment matters less here since they run few early creatures, but keep it for Superior Spider-Man or a resolved M.O.D.O.K. Since they have their own Stock Up and Emeritus of Ideation for grinding, lean on Jeskai Revelation and Great Hall of the Biblioplex to win a long value war.
No sideboard cards are available, so this configuration stays as-is. Azorius Tempo builds a wide board of small evasive fliers like Aven Interrupter and Skycoach Conductor, backed by Aang, Swift Savior, so Day of Judgment is excellent to reset their board once they've overcommitted. Lightning Helix and Sear pick off Voice of Victory before it prevents your spells, or other threats like Skycoach Conductor before they apply pressure. Watch for No More Lies-style disruption from their own counterspell suite being absent โ their interaction is light, so this matchup favors landing Jeskai Revelation or resolving Stock Up to simply outgrind them.
Suggested new sideboard cards to pick up for the current metagame.