Dark Moon Greatsword

Equipped creature gets +5/+5 and has Shroud.
Whenever an equipped creature attacks, you may
cast an instant or sorcery spell from your hand
without paying its mana cost.
Equip {u}{u}, exile a legendary permanent you
control.
"A Moon Greatsword, bestowed by a Carian
queen upon herspouse to honor long-standing tradition."