mtg zero cost cards mana=0 you lose the game Necropouncer

Their appearance in Eldritch Moon comes along with an article detailing the process behind creating their card

You must choose an artifact or creature card from their hand if they reveal one

Rakdos the Defiler - brutal attack trigger that cripples opponents

Martyrdom currently starts at $ 0.59

The Engine One of the biggest challenges of building Mill in Standard is that we don't have cards like Glimpse the Unthinkable or Archive Trap that mill a big chunk of our opponent's library in one shot

The flashback means you can also focus the rest of the deck a bit less on the value part, which again lets you up the pressure