Sneaking Guide

Text:

, : Target creature with power 2 or less can't be blocked this turn.

Rulings:

• 9/25/2020 If the target creature’s power is greater than 2 as Sneaking Guide’s ability tries to resolve, the ability doesn’t resolve. However, if instead the creature’s power is raised above 2 after the ability resolves, it still can’t be blocked that turn.
• 9/25/2020 Once a creature with power 2 or less has been blocked, Sneaking Guide’s ability won’t cause it to become unblocked.