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Rulings
Prowler's first ability applies only at the time blockers are declared. For example, if Prowler is blocked by a creature with 4 power, and then an effect gives that creature -3/-0, it won't stop blocking Prowler.
Rulings
Prowler's first ability applies only at the time blockers are declared. For example, if Prowler is blocked by a creature with 4 power, and then an effect gives that creature -3/-0, it won't stop blocking Prowler.
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