Reposeful Knight

First strike
Melody {4}{w} ({4}{w}, {t}, untap another tapped creature you control: Draw a card. Activate this ability only any time you could cast a sorcery.)
At the beginning of your end step, if Reposeful Knight is tapped, you gain 2 life.
"No matter what transpired, I end my day in quiet repose, to prepare for what may come next."