Knight of Orzhov

Knight of Orzhov comes into play with a shield counter on it if you played it from the command
zone.
Aegis - Knight of Orzhov has double strike,
menace, and is indestructible as long as it has a
shield counter on it.
Remove a shield counter from Knight of Orzhov:
Each opponent sacrifices a creature, discards a
card, and loses 3 life.