Ninja's Thermonuclear Device

Equipped creature has "{1}, {t}, Sacrifice
Ninja's Themonuclear Device and all
other permanents you control: Ninja's
Thermonuclear Device deals 3 damage
for each permanent sacrificed in this
way to any target."
Equip {1} ({1}: Attach to target creature
you control. Equip only as a sorcery.)