The Black Fleet

Salvation— Whenever The Black Fleet is cast, starting with you each player may sacrifice a creature, for each player that does not, destroy
two target lands that player controls at random.
Black creatures you control get +2/+2
{c}{c}, {t}, Sacrifice a creature: Put a voice counter on The Black Fleet, then if there are ten or more voice counters on The Black Fleet, transform it.
"We are not your friend. We are not your enemy.
We are your...salvation."