Whispersilk Cloak [Tenth Edition] Planeshift you can be sure as

you can be sure as silver it will be your last

From Gaea grew the world

Set: Scars of Mirrodin Type: Artifact Creature — Construct Rarity: Uncommon Cost: {0} Reminders of Memnarch's reign still skirr across Mirrodin

Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {2} {5}

and Forests produce {B} instead of any other type

Whispersilk Cloak [Tenth Edition] Planeshift you can be sure asSet: Tenth Edition Type: Artifact Equipment Rarity: Uncommon Cost: {3} Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.) Equip {2} Such cloaks are in high demand both by assassins and by those who fear them.