When Killer's Mask enters, manifest dread, then attach Killer's Mask to that creature. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)
Equipped creature has menace.
Equip
La langue commandée n'est pas choisie ici mais lors de la finalisation de la commande
Killer's Mask0.20€
Killer's Mask FOIL0.30€