Elven Spear
The Treachery of Rhudaur #87 (x3)
Item.   Weapon.  

Attach to a Noldor or Silvan hero. Restricted.

Action: Discard a card from your hand to give attached hero +1 Attack until the end of the phase. Limit 3 times per phase.

Their spears and swords shone in the gloom with a gleam of chill flame, so deadly was the wrath of the hands that held them.
–The Hobbit