Hero card

Killer's Mask

Artifact – Equipment

Value on arrivalDoes its thing as it enters: worth it from the first moment

Needs: Equipment

Gives: Artifacts, Equipment, Disguise / Cloak

Not in winning lists yet: read from the card text and the graph

Build a deck with Killer's Mask as the hero

Makes it work

Crude Bent Blade · Cryptic Coat · Cursed Windbreaker · Goblin Plate Mail · Bespoke Bō · Sword of Vengeance · Fireshrieker · Black Mage's Rod

Benefits from it

Dark Knight's Greatsword · Eriette's Whisper

Use instead if you don't have it

Iron Man Armor · Passenger Ferry · Carriage of Dreams · Cursed Windbreaker · Cryptic Coat · Spider-Mobile

Cards in the meta that answer it

Countersculpt (Azorius Control) · Inevitable Defeat (4-Color Control) · No More Lies (Azorius Control) · We Say Thee Nay! (Dimir Aggro)