Spearbreaker Vanguard

Outlast {1}{b} ({1}{b}, {t}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
{1}{w}: Remove a +1/+1 counter from target creature you control. Prevent all combat damage that would be dealt to that creature this turn.
"My ancestors valiantly slew the dragons whose scales now protect me from harm. As they shield me, so I shall for you."