The Moonlight Greatsword

Equip {3}. Equip Legend {s}.

Equipped creature gets +2/+2, trample and "When this creature deals combat damage to a creature, tap it, then put a stun counter on it."

Whenever equipped creature deals combat damage to a player, untap up to three snow lands. Then you may copy and cast an instant with mana value equal or less than the damage dealt from your graveyard without paying its mana cost.