Syr Cadian, Knight Owl [Unsanctioned]

Knightlifelink (Damage dealt by Knights you control also causes you to gain that much life.)
{W}: Syr Cadian, Knight Owl gains vigilance until end of turn. Activate this ability only from sunrise to sunset.
{B}: Syr Cadian, Knight Owl gains flying until end of turn. Activate this ability only from sunset to sunrise.