C.I.B.

Equip {1}
Hardpoint 1 (This equipment may only be equipped by creatures that have the 'hardpoint' keyword)
Equipped creature gets +1/+0 and has double strike
{1}: Equipped creature gets +1/+0, at the end of it's controller's turn or the start of it's controller's next turn flip a coin. If you lose the flip, destroy equipped creature and any attached equipment.