The One Ring

Indestructible
Equipped creature gets +6/+6, can't be blocked
and has first strike.
Equip {3}{b}{b}
Unequip {p/b}{p/b}
When The One Ring is destroyed, exile every
Artifact with Ring of Power
One Ring to rule them all, One Ring to find them,
One Ring to bring them all, and in the darkness bind
them.