Demon Might Knight

When Demon Might Knight enters the battle-
field, you may discard 2 cards to put an Umbra
counter on it.
When Demon Might Knight has an Umbra
counter on it or is enchanted; gains the Demon
and Spirit types, gets +2/+2, Menace, and
"{r} +1/+0 until the end of the turn."
Remove an Umbra counter you control: Demon
Might Knight gets Indestructible until the end
of turn . Destroy Target non-black creature.
"His vision is clouded by hell's smoke"