Esidisi, Wamuu, and Kars

This creature gets sacrificed when it becomes day.
{2}{b}{b}, {t}, Stone Mask - Target creature becomes indestructable and time turns to night. That creature
can only be killed by creatures with light mana. Exile
that creature once it becomes day.
{2}{b}{b}{r}{r}, Red Stone of Aja - This creature can
now stay on the field in day time.
"Awaken, my masters!"