Duel Decks: Phyrexia vs. the Coalition Whispersilk Cloak Artifact Equipment Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip
Such cloaks are in high demand both by assassins and by those who fear them. Illustrated by Daren Bader All Magic: The Gathering (MTG) card images and symbols Wizards of the Coast