『基本セット第4版』のカード

《不安定性突然変異》

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Enchant Creature

Target creature gets +3/+3. During each of its controller's upkeeps, put a -1/-1 counter on the creature. These counters remain even if Unstable Mutation is removed.

[3E]:C [4E]:C [5E]:C [AN]:C [TSB]:S