Unyielding Resolve

Until end of turn, double the power and toughness of target creature you control that either is blocking, or is blocked by a creature you don’t control with greater power or toughness.{flavor}It didn’t matter to the students of Class 1-A that they faced overwhelming odds. It didn’t matter that defeat seemed inevitable. All that mattered, was that the world was counting on them. So, they refused to lose.