The One Ring Of Power

Equip {1}
Whenever The One Ring Of Power becomes
equipped to a permanent, if a permanent if was unequipped, it fights equipped creature.
If equipped creature has a power or converted
mana cost 4 or greater or is legendary, equipped creature gets +3+1 and menace. Otherwise,
equipped creature gets -0/-1 and has defender.
If equipped creature is Sauron, The Deceiver, equipped creature gets +7/+7 and Indestructible.
{4}: Equip to any target creature.