Obliteration

Linger {w}(You may reveal this card from your hand by paying its Linger cost. Cast this card only if you revealed a card by the same name from your hand during your last turn.)
Destroy all creatures and planeswalkers.
"Great sacrifices have to be made for the survival of life itself but to achieve it. You must not do what you believe is right but what is right. Even if you have to become the executioner."