Dark Battle-Mech Blaster

You can target 1 face-up "Battle-Mech" creature
you control; equip this card from your hand at
{b/r}{1} cost.
When this card is equipped to a creature, that
creatures original power becomes 8.
If this card is sent to the discard pile while
equipped to a "Battle-Mech" creature, target a
"Battle Mech" creature in your discard pile and
play it except "Dark Battle-Mech Blaster". You
can only active this effect once per turn.