Invasion of Karsus {2}{R}{R}
Battle — Siege
(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, it deals 3 damage to each creature and each planeswalker.
Defense: 4
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Refraction Elemental
Color Indicator: Red
Creature — Elemental
Ward—Pay 2 life.
Whenever you cast a spell, Refraction Elemental deals 2 damage to each opponent.
4/4