Excalibur, Sword of Eden Etched

Legendary Artifact — Equipment

This spell costs less to cast, where X is the total mana value of historic permanents you control. (Artifacts, legendaries, and Sagas are historic.) Equipped creature gets +10/+0 and has vigilance. Equip legendary creature

Forged to end the Isu's war. Wielded by humans to wage it.