Nightbringer C'tan Shard

Flying, First Strike, Deathtouch, Indestructible
Nightbringer C'tan Shard can't be countered.
When you cast Nightbringer C'tan Shard, exile
upto two target non-necron creatures.
Whenever Nightbringer C'tan Shard enters the
battlefield or attacks, sacrifice it unless you
control a necron noble or necron wizard
creature.