Invasion of Kaldheim // Pyre of the World Tree [March of the Machine Prerelease Promos]Set: March of the Machine Prerelease Promos Type: Battle Siege Rarity: Rare Cost: {3}{R} (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Kaldheim enters the battlefield, exile all cards from your hand, then draw that many cards. Until the end of your next turn, you may play cards exiled this way. The Warriors of Kaldheim burned the soul of