Marsh Flats (Extended Art) [Modern Horizons 2] Legions Activate only during the declare

Activate only during the declare attackers step and only if you've been attacked this step

That land is a Swamp for as long as it has a mire counter on it

Set: Beta Edition Type: Sorcery Rarity: Uncommon Cost: {1}{B} Search your library for a card

you may search your library for a card

Set: Commander Legends Type: Legendary Creature — Kor Scout Rarity: Uncommon Cost: {2}{W} At the beginning of combat on your turn

Marsh Flats (Extended Art) [Modern Horizons 2] Legions Activate only during the declareSet: Modern Horizons 2 Type: Land Rarity: Rare {T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.