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Raio Perfurante causa 1 ponto de dano à criatura alvo. Coloque um marcador -1/-1 naquela criatura.
If you target a creature with 2 toughness, Puncture Bolt deals 1 damage to it, then puts a -1/-1 counter on it, which reduces it to 1 toughness. The creature will be destroyed as a result of lethal damage. Regeneration could save it.