Tectonic Shift
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Tectonic Shift • Saurian • Action • Rare • Play: Divide each player’s battleline in half as evenly as possible without changing the order of creatures. For each battleline, destroy each creature in one of the halves. • Artist: Hans Krill • Card Number: WoE:252
Commentary
If an ability states an effect is applied to "each creature", the effect is resolved for both Friendly and Enemy creatures.
Source: Rulebook