Invasion of Karsus // Refraction Elemental [March of the Machine] Mythic Edition " where X is the

" where X is the sacrificed creature's power

" —Rakka Mar

each opponent chooses a different nonland card from among them

lands tapped for mana produce mana of the chosen color instead of any other color

If Auratouched Mage is still on the battlefield

Invasion of Karsus // Refraction Elemental [March of the Machine] Mythic Edition " where X is theSet: March of the Machine Type: Battle Siege Rarity: Rare Cost: {2}{R}{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 Karsus enters the battlefield, it deals 3 damage to each creature and each planeswalker. The crystal landslide stirred over the shattered forms of the Machine Legion vanguard, and then it rose and rearranged itself into an