Mark of the Oni
{2}{B}
Enchantment — Aura
Oracle Text
Enchant creature
You control enchanted creature.
At the beginning of the end step, if you control no Demons, sacrifice this Aura.
Enchantment — Aura
Enchant creature
You control enchanted creature.
At the beginning of the end step, if you control no Demons, sacrifice this Aura.