Aether Bindings of the Third Age (ROS163 L Rainbow foil)

Whenever an aura permanent you control with Sigil in its name leaves the arena, amp 1. (The next time you would deal arcane damage this turn, instead deal that much plus 1.)
Blade Break (When the combat chain closes, if this defended, destroy it.)
Wizard Equipment - Arms

Legendary
From the Flesh and Blood TCG set Rosetta