Jack of Blades's Soul Mask

Equipped creature is legendary, gets +3/+3, and
has flying and haste.
Equipped creature has "{b}, Sacrifice another
non-token creature: Create a 2/2 black Minion
creature token."
Equip - Pay 6 life.
As long as Jack of Blades's Soul Mask is attached
to a creature, its equip ability can't be activated.